:root {
  --navy-980: #061220;
  --navy-950: #0b1d31;
  --navy-920: #102742;
  --navy-880: #17345a;
  --gold-500: #9d7332;
  --gold-400: #c7a260;
  --gold-300: #dcc18a;
  --paper-100: #f6edda;
  --paper-150: #f1e4ca;
  --paper-200: #e9d8b4;
  --paper-shadow: rgba(78, 60, 31, 0.12);
  --ink-900: #1e2a39;
  --ink-700: #4f5f72;
  --white-92: rgba(255, 248, 235, 0.92);
  --white-76: rgba(255, 248, 235, 0.76);
  --source-image: url("./hero-kangensai.jpeg");
  --shadow-soft: 0 24px 50px rgba(5, 13, 24, 0.26);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-900);
  background:
    radial-gradient(circle at 8% 10%, rgba(215, 169, 86, 0.14), transparent 16%),
    radial-gradient(circle at 92% 12%, rgba(255, 221, 156, 0.1), transparent 20%),
    linear-gradient(180deg, #081320 0%, #091420 100%);
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    radial-gradient(circle at 6% 9%, rgba(232, 194, 106, 0.9) 0 2px, transparent 2.5px),
    radial-gradient(circle at 18% 4%, rgba(232, 194, 106, 0.68) 0 1.5px, transparent 2.1px),
    radial-gradient(circle at 41% 7%, rgba(232, 194, 106, 0.75) 0 1.7px, transparent 2.2px),
    radial-gradient(circle at 72% 10%, rgba(232, 194, 106, 0.72) 0 1.8px, transparent 2.3px),
    radial-gradient(circle at 90% 8%, rgba(232, 194, 106, 0.82) 0 1.9px, transparent 2.4px),
    radial-gradient(circle at 13% 74%, rgba(232, 194, 106, 0.58) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 86% 79%, rgba(232, 194, 106, 0.68) 0 1.8px, transparent 2.4px),
    radial-gradient(circle at 67% 92%, rgba(232, 194, 106, 0.56) 0 1.8px, transparent 2.4px);
}

img,
svg {
  display: block;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

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

.page-shell {
  position: relative;
  overflow: clip;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  padding: 1.2rem 3rem;
  color: var(--white-92);
  transition: background-color 220ms ease, backdrop-filter 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(6, 18, 32, 0.76);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.34);
}

.site-brand__main {
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(1.6rem, 1.3rem + 0.9vw, 2.2rem);
  letter-spacing: 0.08em;
}

.site-brand__sub {
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.2vw, 2rem);
  font-size: 0.96rem;
  letter-spacing: 0.08em;
}

.site-nav a {
  position: relative;
  padding: 0.2rem 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1rem;
  height: 1px;
  background: rgba(255, 248, 235, 0.88);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.nav-toggle {
  display: none;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.6rem;
  height: 2px;
  margin: 0.32rem 0;
  background: var(--white-92);
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 8.3rem 3rem 5rem;
  color: var(--white-92);
  background:
    linear-gradient(90deg, rgba(5, 16, 29, 0.9) 0%, rgba(5, 16, 29, 0.7) 34%, rgba(5, 16, 29, 0.16) 70%, rgba(173, 113, 33, 0.1) 100%),
    linear-gradient(180deg, rgba(5, 11, 21, 0.1), rgba(5, 11, 21, 0.22)),
    var(--source-image) center top / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.42;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 16%, rgba(235, 227, 205, 0.18) 0, transparent 28%),
    radial-gradient(circle at 94% 8%, rgba(255, 215, 135, 0.28) 0, transparent 22%);
}

.hero::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: -1px;
  height: min(12vw, 9rem);
  background: var(--paper-100);
  clip-path: polygon(0 68%, 10% 42%, 22% 66%, 34% 44%, 46% 69%, 58% 46%, 70% 67%, 82% 42%, 92% 61%, 100% 46%, 100% 100%, 0 100%);
}

.hero__grain,
.hero__wash,
.hero__sparkles {
  position: absolute;
  pointer-events: none;
}

.hero__grain {
  inset: 0;
  opacity: 0.16;
  mix-blend-mode: screen;
  background:
    radial-gradient(circle at 20% 16%, rgba(244, 225, 186, 0.46) 0, transparent 17%),
    radial-gradient(circle at 94% 12%, rgba(255, 205, 113, 0.42) 0, transparent 20%);
}

.hero__wash--left {
  inset: 0 auto 0 0;
  width: min(38vw, 29rem);
  background:
    radial-gradient(circle at 10% 20%, rgba(239, 232, 208, 0.28) 0, transparent 24%),
    linear-gradient(180deg, rgba(9, 27, 47, 0.96) 0%, rgba(9, 27, 47, 0.84) 42%, rgba(9, 27, 47, 0.22) 100%);
  clip-path: polygon(0 0, 83% 0, 100% 8%, 84% 17%, 97% 31%, 78% 42%, 95% 58%, 74% 67%, 88% 82%, 66% 100%, 0 100%);
}

.hero__wash--right {
  inset: 0 0 auto auto;
  width: min(34vw, 27rem);
  height: min(36vw, 28rem);
  background:
    radial-gradient(circle at 82% 14%, rgba(255, 220, 144, 0.3), transparent 44%),
    radial-gradient(circle at 65% 35%, rgba(255, 201, 98, 0.22), transparent 40%);
}

.hero__sparkles {
  inset: 0;
  opacity: 0.72;
  background-image:
    radial-gradient(circle at 5% 12%, rgba(232, 194, 106, 0.82) 0 2px, transparent 2.4px),
    radial-gradient(circle at 18% 6%, rgba(232, 194, 106, 0.7) 0 1.8px, transparent 2.2px),
    radial-gradient(circle at 36% 8%, rgba(232, 194, 106, 0.72) 0 1.7px, transparent 2.2px),
    radial-gradient(circle at 59% 10%, rgba(232, 194, 106, 0.74) 0 1.8px, transparent 2.3px),
    radial-gradient(circle at 79% 7%, rgba(232, 194, 106, 0.8) 0 2px, transparent 2.5px),
    radial-gradient(circle at 93% 15%, rgba(232, 194, 106, 0.8) 0 2px, transparent 2.5px),
    radial-gradient(circle at 11% 82%, rgba(232, 194, 106, 0.64) 0 1.7px, transparent 2.3px),
    radial-gradient(circle at 88% 80%, rgba(232, 194, 106, 0.7) 0 1.8px, transparent 2.4px);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 2rem;
  min-height: calc(100svh - 13rem);
  max-width: 1280px;
  margin: 0 auto;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.8rem;
  max-width: 35rem;
}

.hero__kicker {
  padding-top: 0.3rem;
  font-size: clamp(1rem, 0.82rem + 0.7vw, 1.5rem);
  line-height: 1.8;
  letter-spacing: 0.08em;
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

.hero__title-group {
  display: flex;
  align-items: flex-start;
  gap: 1.35rem;
  margin-top: 1.5rem;
}

.hero__catch,
.hero__title {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: "Zen Old Mincho", serif;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.4);
}

.hero__catch {
  font-size: clamp(3rem, 2.35rem + 2vw, 5.2rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.08;
}

.hero__title {
  font-size: clamp(3.15rem, 2.35rem + 2.35vw, 5.5rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.04;
}

.hero__summary {
  max-width: 23rem;
  font-size: clamp(1rem, 0.9rem + 0.35vw, 1.18rem);
  line-height: 2;
  letter-spacing: 0.05em;
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

.hero__seal {
  align-self: flex-end;
  display: grid;
  place-items: center;
  width: clamp(11.5rem, 15vw, 13.4rem);
  aspect-ratio: 1;
  margin: 0 0 1.4rem;
  padding: 1.3rem;
  border-radius: 50%;
  border: 3px solid rgba(189, 152, 76, 0.92);
  background:
    radial-gradient(circle at 48% 42%, rgba(18, 56, 93, 0.84), rgba(7, 28, 49, 0.98));
  box-shadow: inset 0 0 0 1px rgba(247, 239, 218, 0.3);
  text-align: center;
}

.hero__seal-top {
  font-size: 1rem;
  line-height: 1.82;
  letter-spacing: 0.05em;
}

.hero__seal-main {
  margin-top: 0.32rem;
  color: #deb76b;
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(1.55rem, 1.25rem + 0.8vw, 2rem);
  letter-spacing: 0.05em;
}

.hero__seal-wave {
  display: block;
  width: 4.8rem;
  height: 1.5rem;
  margin-top: 0.8rem;
  opacity: 0.58;
  background:
    radial-gradient(circle at 0.7rem 1.3rem, transparent 0.68rem, rgba(181, 152, 90, 0.9) 0.75rem, rgba(181, 152, 90, 0.9) 0.83rem, transparent 0.9rem) 0 0 / 2rem 1rem repeat-x,
    radial-gradient(circle at 1.7rem 1.3rem, transparent 0.68rem, rgba(181, 152, 90, 0.9) 0.75rem, rgba(181, 152, 90, 0.9) 0.83rem, transparent 0.9rem) 0.95rem 0.45rem / 2rem 1rem repeat-x;
}

.section-paper {
  position: relative;
  padding: 4.2rem 3rem;
  background:
    radial-gradient(circle at 9% 12%, rgba(201, 161, 90, 0.14), transparent 15%),
    radial-gradient(circle at 90% 20%, rgba(201, 161, 90, 0.12), transparent 14%),
    radial-gradient(circle at 84% 84%, rgba(201, 161, 90, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.18)),
    linear-gradient(180deg, var(--paper-100) 0%, var(--paper-150) 100%);
}

.section-paper::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background:
    radial-gradient(circle at 12% 22%, rgba(122, 89, 42, 0.18) 0, transparent 16%),
    radial-gradient(circle at 88% 76%, rgba(122, 89, 42, 0.15) 0, transparent 12%);
}

.section-paper__edge {
  position: absolute;
  left: -2%;
  width: 104%;
  height: min(8vw, 5rem);
  background: var(--navy-920);
  pointer-events: none;
}

.section-paper__edge--top {
  top: 0;
  transform: translateY(-95%);
  clip-path: polygon(0 82%, 12% 34%, 26% 84%, 39% 40%, 52% 82%, 66% 38%, 80% 84%, 92% 42%, 100% 72%, 100% 100%, 0 100%);
}

.section-paper__edge--soft {
  background: var(--navy-880);
}

.section-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 2.85rem;
  text-align: center;
}

.section-heading h2 {
  color: var(--navy-920);
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(2rem, 1.5rem + 1.3vw, 3.2rem);
  letter-spacing: 0.08em;
}

.section-heading p {
  margin-top: 0.75rem;
  color: var(--ink-700);
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.section-heading__ornament {
  flex: 0 0 6.8rem;
  height: 2rem;
  border-top: 5px double rgba(198, 162, 98, 0.65);
  border-bottom: 2px solid rgba(198, 162, 98, 0.35);
  border-radius: 999px;
}

.history {
  padding-top: 3.4rem;
}

.history__timeline {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  max-width: 1240px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(88, 84, 76, 0.26);
}

.history-card {
  position: relative;
  padding: 0 1rem 3.1rem;
  text-align: center;
  border-right: 1px dashed rgba(173, 138, 75, 0.42);
}

.history-card:last-child {
  border-right: 0;
}

.history-card::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.35rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: rgba(52, 52, 52, 0.78);
  transform: translateX(-50%);
}

.history-card h3 {
  color: var(--navy-920);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.history-card__lead {
  margin-top: 0.42rem;
  color: #a25a33;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.history-card p:last-child {
  color: #34383f;
  font-size: 0.98rem;
  line-height: 1.88;
  letter-spacing: 0.03em;
  text-align: left;
}

.history-card__art {
  width: min(100%, 10rem);
  height: 8.4rem;
  margin: 1rem auto 0.9rem;
  background-image: var(--source-image);
  background-repeat: no-repeat;
  background-size: 864px 1821px;
  filter: saturate(0.8) contrast(1.02) brightness(1.03);
}

.history-card__art--01 {
  background-position: -14px -808px;
}

.history-card__art--02 {
  background-position: -184px -806px;
}

.history-card__art--03 {
  background-position: -352px -807px;
}

.history-card__art--04 {
  background-position: -522px -804px;
}

.history-card__art--05 {
  background-position: -688px -805px;
}

.current {
  position: relative;
  padding: 3.2rem 3rem 4rem;
  background:
    radial-gradient(circle at 20% 86%, rgba(99, 140, 177, 0.16), transparent 18%),
    linear-gradient(180deg, #132f4d 0%, #0d2540 100%);
  color: var(--white-92);
}

.current::before,
.current::after {
  content: "";
  position: absolute;
  left: -2%;
  width: 104%;
  height: min(7vw, 4.7rem);
  background: var(--paper-100);
}

.current::before {
  top: 0;
  transform: translateY(-92%);
  clip-path: polygon(0 78%, 14% 28%, 28% 82%, 42% 30%, 56% 82%, 69% 26%, 82% 78%, 92% 36%, 100% 68%, 100% 100%, 0 100%);
}

.current::after {
  bottom: 0;
  transform: translateY(92%);
  clip-path: polygon(0 14%, 12% 62%, 26% 14%, 40% 58%, 54% 14%, 68% 62%, 82% 16%, 100% 58%, 100% 0, 0 0);
}

.current__texture {
  position: absolute;
  width: 7rem;
  height: 10rem;
  opacity: 0.9;
  pointer-events: none;
}

.current__texture--left {
  left: -0.8rem;
  bottom: 2.6rem;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 225, 166, 0.9), rgba(221, 131, 67, 0.84) 58%, rgba(142, 46, 31, 0.92) 100%);
  border-radius: 50% 50% 42% 42%;
  box-shadow: 0 0 26px rgba(230, 146, 67, 0.22);
}

.current__texture--right {
  right: -0.4rem;
  top: 1.4rem;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 225, 166, 0.92), rgba(221, 131, 67, 0.86) 58%, rgba(142, 46, 31, 0.92) 100%);
  border-radius: 50% 50% 42% 42%;
  box-shadow: 0 0 26px rgba(230, 146, 67, 0.22);
}

.current__texture::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -3rem;
  width: 2px;
  height: 3.2rem;
  background: rgba(255, 236, 205, 0.6);
  transform: translateX(-50%);
}

.current__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(17rem, 1fr) minmax(0, 2.25fr);
  gap: 1.4rem;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
}

.current__copy {
  padding-top: 0.35rem;
}

.current__copy h2 {
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(2rem, 1.45rem + 1vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.current__copy p {
  margin-top: 0.9rem;
  font-size: 1.12rem;
  line-height: 2;
  letter-spacing: 0.04em;
}

.current__gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  width: min(100%, 760px);
  justify-self: end;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(12, 34, 58, 0.16), rgba(12, 34, 58, 0.16)),
    linear-gradient(180deg, rgba(17, 49, 82, 0.28), rgba(17, 49, 82, 0.28));
  box-shadow: var(--shadow-soft);
}

.gallery-card {
  min-height: 14.8rem;
  margin: 0;
  border: 0;
  box-shadow: none;
  background-image: var(--source-image);
  background-repeat: no-repeat;
  background-size: 864px 1821px;
}

.gallery-card--01 {
  background-position: -244px -1188px;
}

.gallery-card--02 {
  background-position: -454px -1188px;
}

.gallery-card--03 {
  background-position: -664px -1188px;
}

.info {
  padding-top: 3.2rem;
  padding-bottom: 1rem;
}

.info__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 1.4rem;
  align-items: start;
  max-width: 1240px;
  margin: 0 auto;
}

.info-card {
  display: flex;
  gap: 0.9rem;
  min-height: 10rem;
  padding-right: 1rem;
  border-right: 1px solid rgba(184, 146, 73, 0.32);
}

.info-card--access {
  border-right: 0;
}

.info-card__icon {
  flex: 0 0 2.3rem;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(19, 49, 80, 0.96);
  color: var(--paper-100);
}

.info-card__icon svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.info-card h3 {
  color: var(--navy-920);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.info-card p {
  margin-top: 0.4rem;
  font-size: 1rem;
  line-height: 1.85;
}

.info-card__strong {
  margin-top: 0.7rem;
  font-weight: 700;
}

.info-card__note {
  color: rgba(72, 81, 93, 0.78);
  font-size: 0.87rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 11rem;
  margin-top: 1rem;
  padding: 0.78rem 1.1rem;
  border: 1px solid rgba(17, 41, 69, 0.72);
  background: rgba(255, 250, 239, 0.42);
  font-size: 0.94rem;
  letter-spacing: 0.05em;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  color: var(--paper-100);
  background: var(--navy-920);
  transform: translateY(-1px);
}

.info-cta {
  place-self: center end;
  display: grid;
  place-items: center;
  width: clamp(11rem, 14vw, 12.6rem);
  aspect-ratio: 1;
  padding: 1rem;
  text-align: center;
  border-radius: 50%;
  border: 3px solid rgba(184, 150, 73, 0.9);
  background:
    radial-gradient(circle at 48% 45%, rgba(23, 60, 96, 0.82), rgba(10, 31, 52, 0.96));
  color: var(--white-92);
  box-shadow: inset 0 0 0 1px rgba(255, 244, 220, 0.3);
}

.info-cta__top {
  font-family: "Zen Old Mincho", serif;
  font-size: 1.35rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.info-cta__body {
  margin-top: 0.4rem;
  font-size: 1rem;
  line-height: 1.75;
}

.closing {
  position: relative;
  padding: 3rem 1.25rem 4rem;
  background:
    radial-gradient(circle at 8% 28%, rgba(218, 179, 104, 0.12), transparent 14%),
    radial-gradient(circle at 92% 78%, rgba(218, 179, 104, 0.12), transparent 14%),
    linear-gradient(180deg, var(--paper-150) 0%, var(--paper-200) 100%);
  text-align: center;
}

.closing::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 10rem;
  pointer-events: none;
  opacity: 0.42;
  background:
    radial-gradient(circle at 8% 100%, rgba(58, 61, 58, 0.44), transparent 17%),
    radial-gradient(circle at 24% 100%, rgba(72, 72, 66, 0.44), transparent 19%),
    radial-gradient(circle at 48% 100%, rgba(66, 67, 63, 0.34), transparent 14%),
    radial-gradient(circle at 78% 100%, rgba(72, 72, 66, 0.42), transparent 17%),
    radial-gradient(circle at 95% 100%, rgba(76, 76, 67, 0.38), transparent 15%);
}

.closing__landscape {
  position: absolute;
  inset: auto 0 0;
  height: 9rem;
  pointer-events: none;
  opacity: 0.2;
  background:
    linear-gradient(180deg, transparent 38%, rgba(109, 105, 85, 0.2) 100%);
}

.closing__inner {
  position: relative;
  z-index: 1;
}

.closing h2 {
  color: var(--navy-920);
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(1.8rem, 1.35rem + 0.95vw, 2.85rem);
  letter-spacing: 0.06em;
}

.closing p {
  margin-top: 0.8rem;
  color: var(--navy-920);
  font-size: clamp(1.1rem, 1rem + 0.35vw, 1.45rem);
  line-height: 1.85;
}

.closing__inner::after {
  content: "";
  display: block;
  width: 8rem;
  height: 1rem;
  margin: 1.2rem auto 0;
  background:
    linear-gradient(90deg, transparent 0, rgba(170, 126, 50, 0.78) 14%, rgba(170, 126, 50, 0.78) 86%, transparent 100%),
    radial-gradient(circle at 50% 50%, rgba(170, 126, 50, 0.85) 0 2px, transparent 2.5px);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 1px, 0.5rem 0.5rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 3rem;
  background: linear-gradient(180deg, #12304f, #0a1b2f);
  color: rgba(255, 248, 235, 0.88);
}

.site-footer__name {
  letter-spacing: 0.08em;
  font-size: 0.98rem;
}

.site-footer__links {
  display: flex;
  gap: 1.4rem;
  font-size: 0.94rem;
}

@media (max-width: 1180px) {
  .history__timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.9rem 0;
    border-bottom: 0;
  }

  .history-card:nth-child(3n) {
    border-right: 0;
  }

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

  .info-card {
    border-right: 0;
    border-bottom: 1px solid rgba(184, 146, 73, 0.32);
    padding-bottom: 1.4rem;
  }

  .info-card--access {
    border-bottom: 0;
  }

  .info-cta {
    grid-column: 1 / -1;
    place-self: center;
  }
}

@media (max-width: 960px) {
  .site-header {
    padding: 1rem 1.25rem;
  }

  .nav-toggle {
    position: relative;
    z-index: 55;
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 1rem;
    display: grid;
    gap: 0.25rem;
    min-width: 13rem;
    padding: 0.95rem;
    border: 1px solid rgba(255, 248, 235, 0.16);
    border-radius: 1rem;
    background: rgba(7, 20, 35, 0.92);
    backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.35rem);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.5rem 0.35rem;
  }

  .hero {
    padding: 7.5rem 1.25rem 4.5rem;
  }

  .hero__inner {
    min-height: calc(100svh - 12rem);
  }

  .section-paper,
  .current,
  .site-footer {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

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

@media (max-width: 700px) {
  .site-brand__main {
    font-size: 1.38rem;
  }

  .site-brand__sub {
    font-size: 0.78rem;
  }

  .hero {
    display: flex;
    min-height: 100svh;
    padding: 6.4rem 1rem 2.4rem;
    overflow: hidden;
    background:
      linear-gradient(180deg, rgba(5, 16, 29, 0.6) 0%, rgba(5, 16, 29, 0.14) 36%, rgba(5, 16, 29, 0.74) 100%),
      linear-gradient(90deg, rgba(5, 16, 29, 0.86) 0%, rgba(5, 16, 29, 0.34) 48%, rgba(5, 16, 29, 0.12) 100%),
      var(--source-image) 50% top / max(920px, 235vw) auto no-repeat;
  }

  .hero::after {
    height: 4.8rem;
  }

  .hero__inner {
    flex-direction: column;
    justify-content: flex-end;
    width: 100%;
    min-height: calc(100svh - 8.8rem);
    gap: 1.1rem;
  }

  .hero__wash,
  .hero__sparkles {
    opacity: 0.34;
  }

  .hero__wash--left,
  .hero__wash--right {
    display: none;
  }

  .hero__copy {
    justify-content: flex-end;
    gap: 1.05rem;
    max-width: 100%;
  }

  .hero__kicker {
    max-width: 12.5rem;
    padding-top: 0;
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .hero__title-group {
    gap: 0.72rem;
    margin-top: 0.35rem;
    padding-left: 1.35rem;
  }

  .hero__catch {
    font-size: clamp(2rem, 9.8vw, 2.9rem);
    letter-spacing: 0.08em;
    line-height: 1.04;
  }

  .hero__title {
    font-size: clamp(2.2rem, 10.7vw, 3.2rem);
    letter-spacing: 0.1em;
    line-height: 1.02;
  }

  .hero__summary {
    max-width: 16.5rem;
    font-size: 0.94rem;
    line-height: 1.85;
  }

  .hero__seal {
    display: none;
  }

  .section-heading {
    flex-direction: column;
    gap: 0.9rem;
  }

  .section-heading__ornament {
    width: 4.8rem;
    flex-basis: auto;
  }

  .history__timeline {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .history-card {
    max-width: 28rem;
    margin: 0 auto;
    padding: 1.05rem 0 2.5rem;
    border-right: 0;
    border-bottom: 1px dashed rgba(173, 138, 75, 0.42);
  }

  .history-card__art {
    width: min(100%, 10rem);
    height: 8.4rem;
  }

  .history-card:last-child {
    border-bottom: 0;
  }

  .current__gallery {
    grid-template-columns: 1fr;
    width: 100%;
    gap: 0.9rem;
    overflow: visible;
    background: transparent;
    box-shadow: none;
  }

  .current__texture {
    display: none;
  }

  .gallery-card {
    min-height: 0;
    aspect-ratio: 4 / 3;
    border: 1px solid rgba(255, 248, 235, 0.24);
    background-size: cover;
    background-position: center;
    box-shadow: 0 16px 34px rgba(4, 12, 22, 0.24);
  }

  .gallery-card--01 {
    background-image: url("./mobile-gallery-01.jpg");
  }

  .gallery-card--02 {
    background-image: url("./mobile-gallery-02.jpg");
  }

  .gallery-card--03 {
    background-image: url("./mobile-gallery-03.jpg");
  }

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

  .info-card {
    min-height: auto;
    padding-right: 0;
  }

  .info-card--access {
    border-bottom: 1px solid rgba(184, 146, 73, 0.32);
    padding-bottom: 1.4rem;
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__links {
    justify-content: center;
    flex-wrap: wrap;
  }
}