:root {
  --bg: #fefcec;
  --paper: #fffdf7;
  --accent: #f64000;
  --ink: #181714;
  --muted: rgba(24, 23, 20, 0.72);
  --line: rgba(24, 23, 20, 0.12);
  --line-strong: rgba(24, 23, 20, 0.22);
  --container: 1360px;
  --content: 720px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --header-h: 84px;
  --space-xs: 12px;
  --space-sm: 18px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: clamp(88px, 11vw, 156px);
  --gutter: clamp(22px, 4vw, 44px);
  --shadow-soft: 0 18px 40px rgba(24, 23, 20, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Kosugi Maru', sans-serif;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

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

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

p {
  margin: 0 0 1.05em;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.higasa-site {
  min-height: 100vh;
}

.higasa-container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.higasa-main,
.higasa-footer__inner {
  margin-left: 0;
  padding-right: 0;
  padding-left: 0;
}

.higasa-sidebar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(254, 252, 236, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.higasa-sidebar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: 100%;
}

.higasa-logo {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.higasa-logo__mark,
.higasa-label,
.higasa-number,
.higasa-hero__en,
.higasa-card__tag,
.higasa-badge,
.higasa-function-strip__no {
  font-family: 'Chango', sans-serif;
}

.higasa-logo__mark {
  font-size: 1.35rem;
  line-height: 1;
}

.higasa-logo__sub {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.higasa-sidebar nav {
  margin-left: auto;
}

.higasa-sidebar nav ul,
.higasa-menu {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.higasa-sidebar nav a,
.higasa-sidebar__sns a {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.2;
  transition: color 0.2s ease;
}

.higasa-sidebar nav a:hover,
.higasa-sidebar nav a:focus-visible,
.higasa-sidebar__sns a:hover,
.higasa-sidebar__sns a:focus-visible,
.higasa-footer a:hover,
.higasa-footer a:focus-visible,
.higasa-card a:hover,
.higasa-card a:focus-visible,
.higasa-news-row a:hover,
.higasa-news-row a:focus-visible,
.higasa-link-arrow:hover,
.higasa-link-arrow:focus-visible {
  color: var(--accent);
}

.higasa-sidebar__sns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.higasa-section {
  position: relative;
  padding-block: var(--space-2xl);
}

.higasa-hero {
  padding-top: clamp(56px, 8vw, 104px);
}

.higasa-hero__grid,
.higasa-concept__grid,
.higasa-intro__grid,
.higasa-function,
.higasa-story__grid,
.higasa-news__grid,
.higasa-calendar__grid,
.higasa-access__grid,
.higasa-contact__grid,
.higasa-section__header {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.higasa-hero__content {
  grid-column: 1 / span 5;
  max-width: 560px;
  align-self: center;
}

.higasa-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.higasa-eyebrow::before {
  content: '';
  width: 38px;
  height: 1px;
  background: var(--accent);
}

.higasa-hero__en {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: clamp(1.8rem, 4.6vw, 4.35rem);
  line-height: 0.98;
}

.higasa-hero__ja {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.higasa-hero__copy,
.higasa-page-subtitle,
.higasa-card__excerpt,
.higasa-news-row__excerpt,
.higasa-function__summary,
.higasa-entry__meta,
.higasa-card__meta,
.higasa-footer__copy,
.higasa-hero__note,
.higasa-access__content,
.higasa-calendar__content,
.higasa-contact__content,
.higasa-story__body,
.higasa-intro__content,
.higasa-concept__body {
  color: var(--muted);
}

.higasa-hero__copy {
  margin-top: 24px;
  max-width: 34em;
  font-size: 1rem;
  white-space: pre-line;
}

.higasa-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.higasa-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 188px;
  min-height: 54px;
  padding: 14px 22px;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.higasa-button:hover,
.higasa-button:focus-visible {
  transform: translateY(-1px);
}

.higasa-button--solid {
  background: var(--accent);
  color: #fff;
}

.higasa-button--ghost {
  background: transparent;
  color: var(--accent);
}

.higasa-hero__note {
  margin-top: 22px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.higasa-hero__visual {
  grid-column: 7 / -1;
  position: relative;
}

.higasa-hero__image-wrap {
  position: relative;
  overflow: hidden;
  border: 1.5px solid var(--line-strong);
  border-radius: 34px;
  aspect-ratio: 0.97;
  background: #ece4d4;
}

.higasa-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.higasa-hero__image-wrap::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 28%;
  background: linear-gradient(to top, rgba(24, 23, 20, 0.16), rgba(24, 23, 20, 0));
  pointer-events: none;
}

.higasa-hero__ornament {
  display: none;
}

.higasa-sticker {
  position: absolute;
  left: 28px;
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(246, 64, 0, 0.92);
  color: #fff;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  max-width: calc(100% - 56px);
}

.higasa-label {
  font-size: clamp(1.5rem, 3vw, 2.7rem);
  line-height: 1;
  color: var(--accent);
}

.higasa-concept__label,
.higasa-news__label {
  grid-column: 1 / span 3;
}

.higasa-concept__body {
  grid-column: 4 / span 5;
  max-width: 650px;
  font-size: 1.02rem;
  white-space: pre-line;
}

.higasa-concept__visuals {
  grid-column: 10 / -1;
  display: grid;
  gap: 14px;
  align-content: start;
}

.higasa-photo-card,
.higasa-card,
.higasa-entry__thumbnail,
.higasa-contact__form,
.higasa-calendar__embed,
.higasa-access__map,
.higasa-function__frame {
  background: var(--paper);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.higasa-photo-card img,
.higasa-card__media img,
.higasa-entry__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.higasa-photo-card--tall {
  aspect-ratio: 0.84;
}

.higasa-photo-card--wide {
  aspect-ratio: 1.4;
}

.higasa-accent-chip {
  display: inline-flex;
  justify-self: start;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1.5px solid rgba(246, 64, 0, 0.3);
  background: rgba(246, 64, 0, 0.06);
  color: var(--accent);
  font-size: 0.88rem;
}

.higasa-intro {
  border-top: 1px solid var(--line);
}

.higasa-intro__content {
  grid-column: 1 / span 7;
  max-width: 700px;
}

.higasa-intro__content p,
.higasa-story__body p,
.higasa-access__content p,
.higasa-calendar__content p,
.higasa-contact__content p {
  white-space: pre-line;
}

.higasa-function-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.higasa-function-strip__item {
  display: grid;
  gap: 6px;
  min-height: 92px;
  padding: 18px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.4);
  transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.higasa-function-strip__item:hover,
.higasa-function-strip__item:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(246, 64, 0, 0.4);
  background: rgba(255, 255, 255, 0.72);
}

.higasa-function-strip__no {
  font-size: 0.92rem;
  color: var(--accent);
}

.higasa-functions {
  display: grid;
  gap: clamp(72px, 8vw, 112px);
}

.higasa-function {
  align-items: start;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.higasa-function__content {
  grid-column: 1 / span 4;
  max-width: 480px;
}

.higasa-number {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1;
}

.higasa-function__title {
  margin: 0 0 14px;
  font-size: clamp(1.55rem, 2vw, 2.35rem);
  line-height: 1.24;
}

.higasa-progress {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1.5px solid rgba(246, 64, 0, 0.28);
  background: rgba(246, 64, 0, 0.05);
  color: var(--accent);
  font-size: 0.85rem;
}

.higasa-function__summary {
  white-space: pre-line;
}

.higasa-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.higasa-tag {
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.higasa-function__visuals {
  grid-column: 6 / -1;
  display: grid;
  gap: 16px;
  align-items: start;
}

.higasa-function__main,
.higasa-function__secondary {
  position: relative;
  overflow: hidden;
  border: 1.5px solid var(--line-strong);
  border-radius: 28px;
  background: var(--paper);
}

.higasa-function__main {
  aspect-ratio: 1.28;
}

.higasa-function__secondary {
  width: min(56%, 360px);
  aspect-ratio: 1.18;
  margin-top: -72px;
  margin-left: auto;
}

.higasa-function:nth-child(even) .higasa-function__content {
  grid-column: 8 / -1;
}

.higasa-function:nth-child(even) .higasa-function__visuals {
  grid-column: 1 / span 6;
}

.higasa-function:nth-child(even) .higasa-function__secondary {
  margin-left: 0;
  margin-right: auto;
}

.higasa-function__main img,
.higasa-function__secondary img,
.higasa-function__floorplan img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.higasa-function__floorplan {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.3), rgba(255,255,255,0.6));
}

.higasa-story {
  border-top: 1px solid var(--line);
}

.higasa-story__body {
  grid-column: 1 / span 4;
  max-width: 480px;
}

.higasa-story__gallery {
  grid-column: 6 / -1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.higasa-story__gallery .higasa-photo-card:first-child {
  grid-row: span 2;
  min-height: 560px;
}

.higasa-story__gallery .higasa-photo-card:nth-child(2),
.higasa-story__gallery .higasa-photo-card:nth-child(3) {
  min-height: 270px;
}

.higasa-list-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.higasa-list-grid {
  display: grid;
  gap: 20px;
}

.higasa-list-grid--projects {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.higasa-card {
  display: grid;
  grid-template-rows: auto 1fr;
}

.higasa-card__media {
  display: block;
  aspect-ratio: 4 / 3;
  background: #ebe1cf;
}

.higasa-card__body {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.higasa-card__meta,
.higasa-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.88rem;
}

.higasa-card__title,
.higasa-news-row__title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.45;
}

.higasa-card__tag {
  color: var(--accent);
  font-size: 0.8rem;
}

.higasa-news__label {
  display: grid;
  align-content: start;
  gap: 18px;
}

.higasa-news__list {
  grid-column: 5 / -1;
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.higasa-news-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.higasa-news-row__date {
  font-size: 0.88rem;
  color: var(--muted);
}

.higasa-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-size: 0.94rem;
}

.higasa-link-arrow::after {
  content: '→';
  transition: transform 0.2s ease;
}

.higasa-link-arrow:hover::after,
.higasa-link-arrow:focus-visible::after {
  transform: translateX(3px);
}

.higasa-calendar__content,
.higasa-access__content {
  grid-column: 1 / span 4;
  max-width: 430px;
}

.higasa-calendar__embed,
.higasa-access__map {
  grid-column: 6 / -1;
  padding: 14px;
  min-height: 520px;
  background: rgba(255,255,255,0.55);
}

.higasa-calendar__embed iframe,
.higasa-access__map iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 490px;
  border: 0;
  border-radius: 18px;
}

.higasa-contact__content {
  grid-column: 2 / span 4;
  max-width: 440px;
}

.higasa-contact__form {
  grid-column: 7 / -1;
  padding: 28px;
  background: rgba(255,255,255,0.62);
}

.higasa-form-placeholder {
  color: var(--muted);
}

.higasa-form-placeholder code {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(24, 23, 20, 0.06);
}

.higasa-footer {
  padding: 48px 0 38px;
  border-top: 1px solid var(--line);
}

.higasa-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: start;
}

.higasa-footer__nav ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 10px 18px;
}

.higasa-page-hero,
.higasa-archive-hero {
  padding-top: 76px;
  padding-bottom: 38px;
}

.higasa-page-title {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.08;
}

.higasa-page-subtitle {
  margin-top: 18px;
  max-width: var(--content);
}

.higasa-entry {
  display: grid;
  gap: 28px;
}

.higasa-entry__thumbnail {
  background: #ece1ce;
}

.higasa-entry__thumbnail img {
  max-height: 760px;
  object-fit: cover;
}

.higasa-entry__content {
  width: min(100%, var(--content));
}

.higasa-entry__content > *:last-child {
  margin-bottom: 0;
}

.higasa-entry__content h2,
.higasa-entry__content h3,
.higasa-entry__content h4 {
  margin-top: 2.1em;
  margin-bottom: 0.75em;
  line-height: 1.35;
}

.higasa-entry__content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.higasa-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}

.higasa-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.65);
}

.higasa-pagination .current {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.higasa-empty,
.higasa-placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 24px;
  border: 1.5px dashed rgba(246, 64, 0, 0.34);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.42);
  color: rgba(24, 23, 20, 0.54);
  text-align: center;
}

.higasa-empty {
  min-height: unset;
}

@media (max-width: 1200px) {
  .higasa-list-grid--projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .higasa-function-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .higasa-concept__label,
  .higasa-news__label {
    grid-column: 1 / span 4;
  }

  .higasa-concept__body {
    grid-column: 5 / span 5;
  }

  .higasa-concept__visuals {
    grid-column: 10 / -1;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 72px;
  }

  .higasa-sidebar {
    padding-block: 14px;
  }

  .higasa-sidebar__top {
    flex-wrap: wrap;
  }

  .higasa-sidebar nav {
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
  }

  .higasa-sidebar nav ul,
  .higasa-menu {
    width: max-content;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .higasa-sidebar__sns {
    display: none;
  }

  .higasa-hero__grid,
  .higasa-concept__grid,
  .higasa-intro__grid,
  .higasa-function,
  .higasa-story__grid,
  .higasa-news__grid,
  .higasa-calendar__grid,
  .higasa-access__grid,
  .higasa-contact__grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .higasa-hero__content,
  .higasa-hero__visual,
  .higasa-concept__label,
  .higasa-concept__body,
  .higasa-concept__visuals,
  .higasa-intro__content,
  .higasa-function__content,
  .higasa-function__visuals,
  .higasa-story__body,
  .higasa-story__gallery,
  .higasa-news__label,
  .higasa-news__list,
  .higasa-calendar__content,
  .higasa-calendar__embed,
  .higasa-access__content,
  .higasa-access__map,
  .higasa-contact__content,
  .higasa-contact__form {
    grid-column: 1 / -1;
    max-width: none;
  }

  .higasa-hero__image-wrap {
    aspect-ratio: 1.2;
  }

  .higasa-concept__visuals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .higasa-function__secondary,
  .higasa-function:nth-child(even) .higasa-function__secondary {
    width: min(58%, 360px);
    margin-top: -56px;
    margin-left: auto;
    margin-right: 0;
  }

  .higasa-story__gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .higasa-story__gallery .higasa-photo-card:first-child {
    grid-row: auto;
    grid-column: 1 / -1;
    min-height: 420px;
  }

  .higasa-contact__form {
    padding: 24px;
  }
}

@media (max-width: 720px) {
  :root {
    --space-2xl: clamp(64px, 12vw, 86px);
  }

  .higasa-hero {
    padding-top: 46px;
  }

  .higasa-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .higasa-button {
    width: 100%;
  }

  .higasa-concept__visuals,
  .higasa-list-grid--projects,
  .higasa-story__gallery,
  .higasa-footer__grid,
  .higasa-footer__nav ul,
  .higasa-function-strip {
    grid-template-columns: 1fr;
  }

  .higasa-news-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .higasa-function__secondary,
  .higasa-function:nth-child(even) .higasa-function__secondary {
    width: calc(100% - 28px);
    margin-top: -36px;
  }

  .higasa-calendar__embed,
  .higasa-access__map {
    min-height: 380px;
  }

  .higasa-calendar__embed iframe,
  .higasa-access__map iframe {
    min-height: 350px;
  }

  .higasa-sticker {
    left: 16px;
    bottom: 16px;
    max-width: calc(100% - 32px);
  }
}


.higasa-contact__form input:not([type='submit']):not([type='checkbox']):not([type='radio']),
.higasa-contact__form textarea,
.higasa-contact__form select,
.higasa-contact__form .wpcf7-form-control-wrap input,
.higasa-contact__form .wpcf7-form-control-wrap textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
}

.higasa-contact__form textarea,
.higasa-contact__form .wpcf7-form-control-wrap textarea {
  min-height: 180px;
  resize: vertical;
}

.higasa-contact__form input:focus,
.higasa-contact__form textarea:focus,
.higasa-contact__form select:focus {
  outline: 2px solid rgba(246, 64, 0, 0.16);
  border-color: rgba(246, 64, 0, 0.5);
}

.higasa-contact__form input[type='submit'],
.higasa-contact__form button,
.higasa-contact__form .wpcf7-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  min-height: 52px;
  padding: 12px 20px;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
}

.higasa-contact__form p:last-child {
  margin-bottom: 0;
}

.higasa-contact__form .wpcf7-spinner {
  vertical-align: middle;
}