:root {
  --paper: #fafcfe;
  --white: #ffffff;
  --ink: #29465b;
  --ink-soft: #5b7485;
  --line: #b8dce8;
  --line-light: #dceff5;
  --sea: #4ba9d8;
  --sea-deep: #247fab;
  --sea-pale: #ddf3fa;
  --leaf: #70c7a5;
  --leaf-deep: #327d64;
  --leaf-pale: #e4f5ec;
  --sand: #fff2ca;
  --yellow: #f4ca64;
  --coral: #f29486;
  --warning: #c95f52;
  --sans: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", sans-serif;
  --display: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", sans-serif;
  --content: 1180px;
  --gutter: clamp(20px, 5vw, 72px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  font-weight: 400;
  letter-spacing: 0.025em;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
summary {
  font: inherit;
}

::selection {
  color: var(--white);
  background: var(--sea-deep);
}

:focus-visible {
  outline: 3px solid var(--warning);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 9px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.demo-banner {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--white);
  background: var(--ink);
}

.demo-banner__inner {
  width: min(100%, calc(var(--content) + (var(--gutter) * 2)));
  min-height: 42px;
  margin: 0 auto;
  padding: 7px var(--gutter);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.12em;
}

.demo-banner__label {
  color: var(--ink);
  background: #e9d993;
  padding: 3px 9px 2px;
  font-family: Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.demo-banner__notice {
  margin-left: auto;
  color: #e6ecec;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line-light);
}

.site-header__inner {
  width: min(100%, calc(var(--content) + (var(--gutter) * 2)));
  min-height: 104px;
  margin: 0 auto;
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.site-name {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  line-height: 1.4;
}

.site-name__en {
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.site-name__ja {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 2.7vw, 38px);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.site-nav a {
  position: relative;
  padding: 6px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--sea-deep);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(820px, calc(100vh - 146px));
  background: var(--white);
  border-bottom: 1px solid var(--line-light);
}

.hero::before {
  content: "AMAMI 28°N";
  position: absolute;
  top: 54px;
  right: -28px;
  color: rgba(23, 45, 58, 0.045);
  font-family: Arial, sans-serif;
  font-size: clamp(76px, 12vw, 172px);
  font-weight: 600;
  line-height: 0.85;
  letter-spacing: -0.05em;
  white-space: nowrap;
}

.hero__inner {
  position: relative;
  width: min(100%, calc(var(--content) + (var(--gutter) * 2)));
  min-height: 700px;
  margin: 0 auto;
  padding: clamp(68px, 9vw, 132px) var(--gutter) 78px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  align-items: center;
  gap: clamp(30px, 7vw, 100px);
}

.eyebrow,
.section-number,
.dummy-label,
.municipality-output__kicker {
  margin: 0;
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 28px 0 38px;
  font-family: var(--display);
  font-size: clamp(48px, 6.3vw, 90px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0.055em;
}

.hero__lead {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 0.07em;
}

.hero__note {
  max-width: 570px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 2;
}

.hero__visual {
  position: relative;
  margin: 0;
  padding: 22px 0 0;
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 12% -12% 1% 4%;
  background: var(--sea-pale);
  border-radius: 50%;
  opacity: 0.55;
}

.hero__visual img {
  position: relative;
  width: min(100%, 460px);
  max-height: 570px;
  margin: 0 auto;
  object-fit: contain;
  filter: saturate(0.72) contrast(0.94);
}

.hero__visual figcaption {
  position: relative;
  margin-top: -18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: Arial, sans-serif;
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.2em;
}

.hero__demo-note {
  position: absolute;
  right: var(--gutter);
  bottom: 24px;
  margin: 0;
  color: #6a777a;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.section {
  padding: clamp(100px, 13vw, 176px) 0;
}

.section__inner {
  width: min(100%, calc(var(--content) + (var(--gutter) * 2)));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section__inner--narrow {
  width: min(100%, 960px);
}

.section-heading {
  margin-bottom: clamp(58px, 7vw, 96px);
}

.section-heading--split,
.section-heading--journal {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(40px, 9vw, 140px);
}

.section-heading--journal {
  grid-template-columns: 1fr auto;
}

.section-heading h2 {
  margin: 20px 0 0;
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.06em;
}

.section-heading > p,
.section-heading > div > p:not(.section-number) {
  max-width: 450px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 2.05;
}

.metrics {
  background: var(--paper);
}

.dummy-label {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dummy-label span {
  padding: 4px 8px 3px;
  color: var(--white);
  background: var(--sea-deep);
  letter-spacing: 0.13em;
}

.metrics__list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.metric {
  min-width: 0;
  padding: 26px clamp(14px, 2.8vw, 36px) 32px;
  border-right: 1px solid var(--line);
}

.metric:first-child {
  padding-left: 0;
}

.metric:last-child {
  padding-right: 0;
  border-right: 0;
}

.metric dt {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.metric dd {
  margin: 12px 0 0;
  display: flex;
  align-items: baseline;
  gap: 7px;
  line-height: 1;
}

.metric__value {
  font-family: Arial, sans-serif;
  font-size: clamp(54px, 7vw, 92px);
  font-weight: 400;
  letter-spacing: -0.055em;
}

.metric__unit {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.survey-example {
  margin-top: 54px;
  padding: 30px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.survey-example__kicker,
.survey-example__label,
.survey-example__note,
.survey-example__value {
  margin: 0;
}

.survey-example__kicker {
  color: var(--sea-deep);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.survey-example__kicker strong {
  margin-left: 10px;
  padding: 3px 7px 2px;
  color: var(--white);
  background: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.survey-example__label {
  margin-top: 8px;
  font-family: var(--display);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.5;
}

.survey-example__note {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 10px;
}

.survey-example__value {
  flex: 0 0 auto;
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: clamp(64px, 9vw, 112px);
  line-height: 0.85;
  letter-spacing: -0.06em;
}

.survey-example__value span {
  margin-left: 4px;
  font-size: 0.23em;
  letter-spacing: 0;
}

.map-section {
  color: #ecf1ef;
  background: var(--ink);
}

.map-section .section-number,
.map-section .municipality-output__kicker {
  color: #91b7ba;
}

.map-section .section-heading > p,
.map-section .section-heading > div > p:not(.section-number) {
  color: #bfcacb;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
  gap: clamp(52px, 8vw, 116px);
  align-items: center;
}

.map-stage {
  min-width: 0;
}

.archipelago-map {
  width: min(100%, 660px);
  margin: 0 auto;
  overflow: visible;
}

.archipelago-map .island {
  fill: #b9c9ab;
  stroke: #e4ebe1;
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  transition: fill 170ms ease, stroke 170ms ease, filter 170ms ease;
}

.archipelago-map .hit-area {
  fill: transparent;
  stroke: transparent;
  stroke-width: 30;
  pointer-events: all;
  vector-effect: non-scaling-stroke;
}

.archipelago-map .island-group {
  cursor: pointer;
}

.archipelago-map .island-group:hover .island,
.archipelago-map .island-group:focus .island,
.archipelago-map .island-group.is-active .island {
  fill: #7fb4b4;
  stroke: #fff;
  filter: drop-shadow(0 0 10px rgba(167, 223, 221, 0.32));
}

.archipelago-map .island-group:focus {
  outline: none;
}

.map-stage__hint {
  margin: 22px 0 0;
  color: #92a6a9;
  font-size: 10px;
  text-align: center;
  letter-spacing: 0.1em;
}

.map-information {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.municipality-output {
  min-height: 172px;
  padding: 26px 0 30px;
  border-top: 1px solid #839497;
  border-bottom: 1px solid #839497;
}

.municipality-output__name,
.municipality-output__list {
  margin: 0;
}

.municipality-output__name {
  margin-top: 14px;
  font-family: var(--display);
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.45;
}

.municipality-output__list {
  margin-top: 8px;
  color: #bec9c9;
  font-size: 12px;
  line-height: 1.8;
}

.island-index {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: islands;
}

.island-index li {
  padding: 15px 0 14px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  border-bottom: 1px solid rgba(190, 201, 201, 0.28);
}

.island-index__number {
  color: #7da6aa;
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.island-index strong,
.island-index div > span {
  display: block;
}

.island-index strong {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.island-index div > span {
  margin-top: 4px;
  color: #9eadaf;
  font-size: 10px;
  line-height: 1.7;
}

.island-index li.is-active {
  color: #fff;
}

.island-index li.is-active strong::after {
  content: " SELECTED";
  margin-left: 10px;
  color: #8ebec0;
  font-family: Arial, sans-serif;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.about {
  background: var(--white);
}

.about-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: clamp(56px, 10vw, 148px);
  border-top: 1px solid var(--ink);
}

.about-editorial article {
  position: relative;
}

.about-editorial__lead {
  padding-top: 34px;
}

.about-editorial__lead h3 {
  max-width: 650px;
  margin: 50px 0 30px;
  font-family: var(--display);
  font-size: clamp(30px, 3.6vw, 50px);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.055em;
}

.about-editorial article > p:last-child {
  max-width: 660px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 2.15;
}

.about-editorial__items article {
  padding: 34px 0 44px;
  border-bottom: 1px solid var(--line);
}

.about-editorial__items h3 {
  margin: 28px 0 18px;
  font-family: var(--display);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 500;
  line-height: 1.65;
}

.about-editorial__number,
.about-editorial__label {
  margin: 0;
}

.about-editorial__number {
  position: absolute;
  top: 35px;
  right: 0;
  color: var(--line);
  font-family: Arial, sans-serif;
  font-size: 11px;
}

.about-editorial__label {
  color: var(--sea-deep);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.journal {
  background: var(--sea-pale);
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0 6px;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  font-weight: 600;
}

.text-link small {
  margin-left: 2px;
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 500;
}

.journal-list {
  border-top: 1px solid var(--ink);
}

.journal-entry {
  padding: 28px 0;
  display: grid;
  grid-template-columns: minmax(160px, 0.42fr) minmax(0, 1.58fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.journal-entry__visual {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 118px;
  background: #c6d6d3;
}

.journal-entry__visual::before,
.journal-entry__visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.journal-entry__visual::before {
  width: 52%;
  aspect-ratio: 1;
  right: -11%;
  bottom: -35%;
  background: rgba(255, 255, 255, 0.42);
}

.journal-entry__visual::after {
  width: 27%;
  aspect-ratio: 1;
  top: -11%;
  left: 10%;
  border: 1px solid rgba(23, 45, 58, 0.28);
}

.journal-entry__visual--green {
  background: #cbd7c1;
}

.journal-entry__visual--sand {
  background: #ddd3bb;
}

.journal-entry__visual span {
  position: absolute;
  left: 16px;
  bottom: 11px;
  z-index: 1;
  font-family: Arial, sans-serif;
  font-size: 8px;
  letter-spacing: 0.17em;
}

.journal-entry__meta {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--ink-soft);
  font-family: Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.journal-entry__meta span {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.journal-entry h3 {
  margin: 16px 0 0;
  font-family: var(--display);
  font-size: clamp(21px, 2.4vw, 32px);
  font-weight: 500;
  line-height: 1.6;
}

.journal-entry h3 a {
  display: inline;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-position: 100% 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 200ms ease, background-position 0s 200ms;
}

.journal-entry h3 a:hover,
.journal-entry h3 a:focus-visible {
  background-position: 0 100%;
  background-size: 100% 1px;
}

.journal-entry h3 span {
  margin-left: 0.3em;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.42em;
  font-weight: 500;
  white-space: nowrap;
}

.faq {
  background: var(--white);
}

.faq .section-heading {
  max-width: 700px;
}

.faq .section-heading > p:last-child {
  margin-top: 28px;
}

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

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

.faq-list summary {
  min-height: 104px;
  padding: 26px 4px;
  display: grid;
  grid-template-columns: 42px 1fr 26px;
  align-items: center;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--display);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.6;
}

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

.faq-list__q,
.faq-list__answer > span {
  align-self: start;
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.faq-list__q {
  align-self: center;
}

.faq-list__mark {
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-list__mark::before,
.faq-list__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.faq-list__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 180ms ease;
}

.faq-list details[open] .faq-list__mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-list__answer {
  padding: 0 52px 36px 64px;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 18px;
}

.faq-list__answer p {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 2.05;
}

.consultation {
  background: var(--paper);
  border-top: 1px solid var(--line-light);
}

.consultation__layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(70px, 12vw, 170px);
}

.consultation .section-heading {
  margin-bottom: 0;
}

.consultation .section-heading > p:last-child {
  margin-top: 30px;
}

.consultation__warning {
  margin: 0 0 32px;
  padding: 18px 0;
  color: var(--warning);
  border-top: 1px solid var(--warning);
  border-bottom: 1px solid var(--warning);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
}

.consultation nav {
  border-top: 1px solid var(--ink);
}

.consultation nav a {
  min-height: 90px;
  padding: 20px 4px;
  display: grid;
  grid-template-columns: 38px 1fr auto 24px;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.5;
}

.consultation nav a > span:first-child {
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 9px;
}

.consultation nav a > span:last-child {
  color: var(--sea-deep);
  font-family: Arial, sans-serif;
  font-size: 16px;
  transition: transform 180ms ease;
}

.consultation nav a:hover > span:last-child,
.consultation nav a:focus-visible > span:last-child {
  transform: translate(3px, -3px);
}

.consultation nav small {
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 8px;
  white-space: nowrap;
}

.contact {
  color: var(--white);
  background: var(--ink);
}

.contact .section-number {
  color: #91b7ba;
}

.contact .section-heading > div > p:not(.section-number) {
  color: #c4cdcf;
}

.contact__planned {
  margin-top: 14px !important;
  padding-top: 14px;
  border-top: 1px solid #6c7f83;
  font-size: 11px !important;
}

.contact-types {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #89999c;
  border-bottom: 1px solid #89999c;
  list-style: none;
}

.contact-types li {
  min-height: 190px;
  padding: 28px clamp(20px, 3.2vw, 42px);
  display: flex;
  flex-direction: column;
  border-right: 1px solid #6e7f82;
}

.contact-types li:first-child {
  padding-left: 0;
}

.contact-types li:last-child {
  padding-right: 0;
  border-right: 0;
}

.contact-types li > span {
  color: #8eb3b7;
  font-family: Arial, sans-serif;
  font-size: 9px;
}

.contact-types strong {
  margin-top: auto;
  font-family: var(--display);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 500;
  line-height: 1.4;
}

.contact-types small {
  margin-top: 5px;
  color: #96a9ac;
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact__footnote {
  margin: 24px 0 0;
  color: #9fafb1;
  font-size: 10px;
  text-align: right;
}

.site-footer {
  color: #d6dedd;
  background: #10232d;
  border-top: 1px solid #53676c;
}

.site-footer__inner {
  width: min(100%, calc(var(--content) + (var(--gutter) * 2)));
  min-height: 170px;
  margin: 0 auto;
  padding: 40px var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 50px;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.site-footer p {
  margin: 0;
}

.site-footer__name {
  margin-bottom: 5px !important;
  color: var(--white);
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.site-footer strong {
  color: #e9d993;
  letter-spacing: 0.15em;
}

.site-footer a {
  padding-bottom: 3px;
  border-bottom: 1px solid #607378;
}

/* Bright, open visual direction for students and the wider community. */
.skip-link {
  background: var(--sea-deep);
}

.demo-banner {
  color: var(--ink);
  background: var(--sea-pale);
  border-bottom: 1px solid #b9e2ef;
}

.demo-banner__label {
  color: var(--ink);
  background: var(--yellow);
  font-weight: 600;
}

.demo-banner__notice {
  color: var(--ink-soft);
}

.site-header {
  background: rgba(255, 255, 255, 0.97);
  border-color: var(--line-light);
}

.site-name__en,
.eyebrow,
.section-number,
.dummy-label,
.municipality-output__kicker {
  color: var(--sea-deep);
  font-weight: 600;
}

.site-name__ja,
.site-nav {
  font-weight: 500;
}

.site-nav a::after {
  height: 2px;
  background: var(--sea);
}

.hero {
  background: var(--white);
  border-color: var(--line-light);
}

.hero::before {
  color: rgba(75, 169, 216, 0.085);
  font-family: var(--sans);
}

.hero h1 {
  color: var(--sea-deep);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: 0.035em;
}

.hero__lead {
  color: var(--ink);
  font-weight: 500;
  line-height: 1.85;
}

.hero__note {
  color: var(--ink-soft);
}

.hero__visual::before {
  background: var(--sea-pale);
  opacity: 0.78;
}

.hero__visual img {
  filter: none;
}

.hero__visual figcaption {
  color: var(--sea-deep);
  border-color: #9dd4e6;
  font-family: var(--sans);
  font-weight: 500;
}

.hero__demo-note {
  color: #688192;
}

.section-heading h2 {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.035em;
}

.section-heading > p,
.section-heading > div > p:not(.section-number) {
  color: var(--ink-soft);
}

.metrics {
  background: var(--white);
}

.dummy-label span {
  color: var(--white);
  background: var(--sea);
  font-weight: 600;
}

.metrics__list {
  border-color: #8ccbe1;
}

.metric {
  border-color: var(--line-light);
}

.metric dt {
  color: var(--ink-soft);
  font-weight: 500;
}

.metric__value {
  color: var(--sea-deep);
  font-weight: 500;
}

.metric:nth-child(even) .metric__value {
  color: var(--leaf-deep);
}

.metric__unit {
  color: var(--ink-soft);
  font-weight: 500;
}

.survey-example {
  margin-top: 64px;
  padding: 34px 36px 32px;
  background: var(--leaf-pale);
  border-top-color: #a9dfca;
  border-bottom-color: #a9dfca;
  border-left: 5px solid var(--leaf);
}

.survey-example__kicker,
.survey-example__value {
  color: var(--leaf-deep);
}

.survey-example__kicker {
  font-weight: 600;
}

.survey-example__kicker strong {
  background: var(--leaf-deep);
}

.survey-example__label {
  color: var(--ink);
  font-weight: 500;
}

.survey-example__note {
  color: var(--ink-soft);
}

.map-section {
  color: var(--ink);
  background: #effafe;
}

.map-section .section-number,
.map-section .municipality-output__kicker {
  color: var(--sea-deep);
}

.map-section .section-heading > p,
.map-section .section-heading > div > p:not(.section-number) {
  color: var(--ink-soft);
}

.archipelago-map .island {
  fill: var(--leaf);
  stroke: #ffffff;
  stroke-width: 4;
}

.archipelago-map .island-group:hover .island,
.archipelago-map .island-group:focus .island,
.archipelago-map .island-group.is-active .island {
  fill: var(--sea);
  stroke: var(--sea-deep);
  filter: drop-shadow(0 8px 14px rgba(36, 127, 171, 0.22));
}

.map-stage__hint {
  color: var(--ink-soft);
}

.municipality-output {
  background: rgba(255, 255, 255, 0.7);
  border-top-color: #8acbe1;
  border-bottom-color: #8acbe1;
  padding-inline: 24px;
}

.municipality-output__name {
  color: var(--sea-deep);
  font-weight: 600;
}

.municipality-output__list {
  color: var(--ink-soft);
}

.island-index li {
  border-color: rgba(75, 169, 216, 0.28);
}

.island-index__number {
  color: var(--sea-deep);
}

.island-index strong {
  color: var(--ink);
  font-weight: 500;
}

.island-index div > span {
  color: var(--ink-soft);
}

.island-index li.is-active strong {
  color: var(--sea-deep);
}

.island-index li.is-active strong::after {
  color: var(--leaf-deep);
  font-family: var(--sans);
}

.about {
  background: var(--white);
}

.about-editorial {
  border-top: 2px solid var(--sea);
}

.about-editorial__lead h3 {
  color: var(--sea-deep);
  font-weight: 600;
  line-height: 1.65;
}

.about-editorial__items h3 {
  color: var(--ink);
  font-weight: 500;
}

.about-editorial article > p:last-child {
  color: var(--ink-soft);
}

.about-editorial__items article {
  border-color: var(--line);
}

.about-editorial__number {
  color: #9bd5e8;
  font-weight: 500;
}

.about-editorial__label {
  color: var(--leaf-deep);
  font-weight: 600;
}

.journal {
  background: #f0fafe;
}

.text-link {
  color: var(--sea-deep);
  border-color: var(--sea);
  font-weight: 500;
}

.journal-list {
  border-color: #88cbe2;
}

.journal-entry {
  border-color: var(--line);
}

.journal-entry__visual {
  background: #bfeaf7;
}

.journal-entry__visual--green {
  background: #ccefdc;
}

.journal-entry__visual--sand {
  background: #fff0c7;
}

.journal-entry__visual::before {
  background: rgba(255, 255, 255, 0.6);
}

.journal-entry__visual::after {
  border-color: rgba(242, 148, 134, 0.72);
}

.journal-entry__visual span,
.journal-entry__meta {
  color: var(--ink-soft);
  font-weight: 500;
}

.journal-entry__meta time {
  color: var(--sea-deep);
}

.journal-entry h3 {
  color: var(--ink);
  font-weight: 500;
}

.journal-entry h3 a {
  background-image: linear-gradient(var(--sea), var(--sea));
}

.faq {
  background: var(--white);
}

.faq-list {
  border-color: #86cbe2;
}

.faq-list details {
  border-color: var(--line);
}

.faq-list summary {
  color: var(--ink);
  font-weight: 500;
  transition: background-color 180ms ease;
}

.faq-list summary:hover,
.faq-list summary:focus-visible {
  background: #effafe;
}

.faq-list__q,
.faq-list__answer > span {
  color: var(--sea-deep);
  font-weight: 600;
}

.faq-list__mark::before,
.faq-list__mark::after {
  height: 2px;
  background: var(--leaf-deep);
}

.faq-list__answer p {
  color: var(--ink-soft);
}

.consultation {
  background: #f2fbf6;
  border-color: #d3eee1;
}

.consultation__warning {
  color: var(--warning);
  background: rgba(242, 148, 134, 0.08);
  border-color: rgba(201, 95, 82, 0.54);
  padding-inline: 18px;
  font-weight: 500;
}

.consultation nav {
  border-color: var(--leaf);
}

.consultation nav a {
  color: var(--ink);
  border-color: #b8e2d1;
  font-weight: 500;
}

.consultation nav a > span:first-child,
.consultation nav a > span:last-child {
  color: var(--leaf-deep);
}

.contact {
  color: var(--white);
  background: var(--sea-deep);
}

.contact .section-number {
  color: #fff1b7;
}

.contact .section-heading h2 {
  color: var(--white);
}

.contact .section-heading > div > p:not(.section-number) {
  color: rgba(255, 255, 255, 0.92);
}

.contact__planned {
  color: var(--white) !important;
  border-color: rgba(255, 255, 255, 0.55);
}

.contact-types {
  border-color: rgba(255, 255, 255, 0.7);
}

.contact-types li {
  border-color: rgba(255, 255, 255, 0.46);
}

.contact-types li > span {
  color: #fff1b7;
  font-weight: 600;
}

.contact-types strong {
  color: var(--white);
  font-weight: 500;
}

.contact-types small,
.contact__footnote {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer {
  color: var(--ink-soft);
  background: var(--white);
  border-color: var(--line);
}

.site-footer__name {
  color: var(--sea-deep);
  font-weight: 600;
}

.site-footer strong {
  color: var(--warning);
}

.site-footer a {
  color: var(--sea-deep);
  border-color: var(--sea);
}

.demo-banner__label,
.site-name__en,
.eyebrow,
.section-number,
.dummy-label,
.metric__value,
.survey-example__kicker,
.survey-example__kicker strong,
.survey-example__value,
.municipality-output__kicker,
.island-index__number,
.about-editorial__number,
.journal-entry__visual span,
.journal-entry__meta,
.faq-list__q,
.faq-list__answer > span,
.consultation nav a > span,
.contact-types li > span,
.contact-types small {
  font-family: var(--sans);
}

@media (max-width: 960px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .hero {
    min-height: 0;
  }

  .hero__inner {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) minmax(250px, 0.7fr);
    gap: 28px;
  }

  .hero__visual img {
    max-height: 480px;
  }

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

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(3) {
    padding-left: 0;
  }

  .map-layout,
  .about-editorial {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
    gap: 48px;
  }

  .consultation__layout {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .consultation .section-heading {
    max-width: 650px;
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 22px;
  }

  body {
    font-size: 15px;
  }

  .demo-banner__inner {
    min-height: 58px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 10px;
    padding-block: 8px;
    letter-spacing: 0.08em;
  }

  .demo-banner__notice {
    grid-column: 1 / -1;
    margin-left: 0;
  }

  .site-header__inner {
    min-height: 118px;
    padding-block: 18px 15px;
  }

  .site-name__ja {
    font-size: 12px;
  }

  .site-nav {
    gap: 22px;
    font-size: 10px;
  }

  /* 2026-08-29 修正：スマホでは背景の "AMAMI 28°N" を出さない（シトラス判断）。
     経緯＝①元は top:100px・70px で、H1（y=286〜451）と 52px 重なっていた
           ②見出しの上の 70px へ退避したが、right:-20px の食い込みで「N」が見切れた
           ③スマホには余白がなく置き場所がないため、非表示が最もきれい。
     ⚠️これは装飾のみ。読み上げ・SEO・意味への影響はない（::before の content）。
     元に戻すなら display:none を消し、right を 16px 程度にすれば全文字が入る。 */
  .hero::before {
    display: none;
  }

  .hero__inner {
    padding-top: 70px;
    padding-bottom: 100px;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero h1 {
    margin: 22px 0 28px;
    font-size: clamp(44px, 13.3vw, 66px);
    line-height: 1.2;
  }

  .hero__lead {
    font-size: 20px;
  }

  .hero__note {
    font-size: 12px;
  }

  .hero__visual {
    width: 82%;
    margin: 0 auto;
  }

  .hero__visual img {
    max-height: 430px;
  }

  .hero__demo-note {
    right: var(--gutter);
    bottom: 22px;
    left: var(--gutter);
    font-size: 9px;
    line-height: 1.6;
  }

  .section {
    padding-block: 96px;
  }

  .section-heading,
  .section-heading--split,
  .section-heading--journal {
    margin-bottom: 52px;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-heading--journal {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .section-heading h2 {
    margin-top: 15px;
    font-size: clamp(32px, 10.25vw, 40px);
  }

  .section-heading--journal h2 {
    font-size: 40px;
  }

  .metrics__list {
    grid-template-columns: 1fr 1fr;
  }

  .metric {
    padding: 22px 18px 26px;
  }

  .metric__value {
    font-size: clamp(52px, 18vw, 74px);
  }

  .metric__unit {
    font-size: 11px;
  }

  .survey-example {
    align-items: flex-end;
  }

  .survey-example__value {
    font-size: 74px;
  }

  .map-layout {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .map-stage {
    width: min(100%, 520px);
    margin: 0 auto;
  }

  .map-information {
    display: contents;
  }

  .municipality-output {
    order: 2;
  }

  .island-index {
    order: 3;
    margin-top: -30px;
  }

  .about-editorial {
    grid-template-columns: 1fr;
    gap: 72px;
  }

  .about-editorial__lead h3 {
    margin-top: 42px;
  }

  .journal-entry {
    grid-template-columns: minmax(110px, 0.48fr) minmax(0, 1.52fr);
    gap: 22px;
  }

  .journal-entry__visual {
    min-height: 88px;
  }

  .journal-entry h3 {
    margin-top: 10px;
    font-size: 19px;
  }

  .journal-entry__meta {
    gap: 9px;
    font-size: 8px;
  }

  .journal-entry__meta span {
    padding-left: 9px;
  }

  .faq-list summary {
    min-height: 92px;
    grid-template-columns: 28px 1fr 20px;
    gap: 12px;
    padding-block: 22px;
    font-size: 17px;
  }

  .faq-list__answer {
    padding: 0 10px 30px 40px;
    grid-template-columns: 20px 1fr;
    gap: 10px;
  }

  .consultation nav a {
    min-height: 82px;
    grid-template-columns: 28px 1fr 18px;
    gap: 10px;
    font-size: 17px;
  }

  .consultation nav small {
    display: none;
  }

  .contact-types {
    grid-template-columns: 1fr;
  }

  .contact-types li,
  .contact-types li:first-child,
  .contact-types li:last-child {
    min-height: 112px;
    padding: 20px 0;
    display: grid;
    grid-template-columns: 38px 1fr auto;
    align-items: center;
    border-right: 0;
    border-bottom: 1px solid #6e7f82;
  }

  .contact-types li:last-child {
    border-bottom: 0;
  }

  .contact-types strong {
    margin: 0;
    font-size: 25px;
  }

  .contact-types small {
    margin: 0;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
  }

  .site-footer a {
    width: fit-content;
  }
}

@media (max-width: 460px) {
  .hero__visual {
    width: 94%;
  }

  /* 装飾の円が画面の右外へ 5px はみ出し、端で切れていたので抑える（2026-08-29） */
  .hero__visual::before {
    inset: 12% -6% 1% 4%;
  }

  /* 20px だと「自分と相手を大切にできる地域へ。」が 342px 必要で入らず、
     「へ。」だけが次の行に残っていた（2026-08-29） */
  .hero__lead {
    font-size: 18px;
  }

  /* 見出しの左右の余白が 10px しかなく、文字が画面端に触れていた（2026-08-29） */
  .hero h1 {
    font-size: clamp(38px, 12.2vw, 60px);
  }

  .metric {
    padding-inline: 12px;
  }

  .metric dt {
    font-size: 10px;
  }

  .metric__value {
    font-size: 52px;
  }

  .survey-example {
    align-items: flex-start;
    flex-direction: column;
  }

  .survey-example__value {
    align-self: flex-end;
  }

  .section-heading--journal {
    grid-template-columns: 1fr;
  }

  .text-link {
    width: fit-content;
  }

  .journal-entry {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .journal-entry__visual {
    aspect-ratio: 2.15 / 1;
  }

  .contact-types small {
    display: none;
  }
}

@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;
  }
}