:root {
  --ink: #17242c;
  --navy: #123a52;
  --navy-deep: #092635;
  --teal: #1f7a7a;
  --cyan: #61bec3;
  --coral: #e46e56;
  --paper: #f7f8f6;
  --white: #ffffff;
  --line: #d9e0df;
  --muted: #607078;
  --shell: min(1180px, calc(100% - 48px));
  --header-height: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.85;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.lightbox-open { overflow: hidden; }

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

button, a { font: inherit; }

a { color: inherit; }

button { color: inherit; }

.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;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy-deep);
  transform: translateY(-160%);
}

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

.section-shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  color: var(--white);
  background: linear-gradient(to bottom, rgb(5 24 35 / 70%), transparent);
  transition: color .25s ease, background .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgb(255 255 255 / 96%);
  box-shadow: 0 1px 0 rgb(15 45 60 / 12%);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--shell);
  min-height: var(--header-height);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid currentColor;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  line-height: 1;
}

.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 14px; font-weight: 700; }
.brand-copy small { margin-top: 3px; font-size: 9px; letter-spacing: .18em; }

.site-nav { display: flex; gap: 30px; align-items: center; }
.site-nav a {
  position: relative;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.menu-button { display: none; }

.hero {
  position: relative;
  display: grid;
  min-height: min(880px, 94svh);
  overflow: hidden;
  align-items: end;
  color: var(--white);
  background: var(--navy-deep);
}

.hero-image,
.hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: 50% 43%; }
.hero-shade {
  background:
    linear-gradient(90deg, rgb(5 28 42 / 90%) 0%, rgb(5 28 42 / 62%) 43%, rgb(5 28 42 / 5%) 75%),
    linear-gradient(0deg, rgb(5 25 37 / 70%) 0%, transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: var(--shell);
  padding: 160px 0 86px;
  margin-inline: auto;
}

.hero-kicker {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.status {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  padding: 5px 12px;
  margin: 0 0 24px;
  border: 1px solid rgb(255 255 255 / 45%);
  font-size: 12px;
  font-weight: 700;
}
.status span { width: 7px; height: 7px; background: var(--coral); border-radius: 50%; }

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(36px, 6vw, 76px);
  font-weight: 600;
  line-height: 1.28;
}
.hero h1 em { color: #cceff0; font-style: normal; }

.hero-lead {
  margin: 26px 0 34px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.8;
}

.scroll-cue {
  display: inline-flex;
  gap: 20px;
  align-items: center;
  padding-bottom: 5px;
  border-bottom: 1px solid rgb(255 255 255 / 55%);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.scroll-cue span { color: var(--cyan); font-size: 18px; }

.report-section { padding: 130px 0 120px; background: var(--white); }
.report-grid {
  display: grid;
  grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr);
  gap: clamp(60px, 9vw, 130px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
}

.section-heading h2,
.program-intro h2,
.gallery-heading h2,
.thanks-content h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(32px, 4.6vw, 54px);
  font-weight: 600;
  line-height: 1.45;
}

.section-heading::after {
  display: block;
  width: 74px;
  height: 1px;
  margin-top: 36px;
  content: "";
  background: var(--coral);
}

.report-copy { max-width: 680px; }
.report-copy p { margin: 0 0 25px; color: #43545d; font-size: 15px; }
.report-copy .lead {
  color: var(--ink);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 600;
  line-height: 2;
}

.numbers-section { padding: 68px 0; color: var(--white); background: var(--navy-deep); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.number-item { padding: 4px 36px; border-left: 1px solid rgb(255 255 255 / 20%); }
.number-item:first-child { border-left: 0; }
.number-item strong { display: flex; align-items: baseline; color: #b9e6e7; font-family: Georgia, serif; }
.number-item strong span { font-size: clamp(54px, 6vw, 80px); font-weight: 400; line-height: 1; }
.number-item strong small { margin-left: 7px; font-family: inherit; font-size: 15px; font-weight: 700; }
.number-item p { margin: 16px 0 0; color: #d1dcdf; font-size: 12px; line-height: 1.75; }
.number-item.accent strong { color: #ff9f85; }

.program-section { padding: 130px 0 150px; background: var(--paper); }
.program-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 90px;
}
.program-intro > p { max-width: 560px; margin: 0 0 6px; color: var(--muted); font-size: 14px; }

.day-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: clamp(50px, 7vw, 92px);
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.day-block:last-child { border-bottom: 1px solid var(--line); }
.day-block.reverse .day-image-wrap { order: 2; }
.day-block.reverse .day-copy { order: 1; }

.day-label {
  position: absolute;
  top: 28px;
  left: 18px;
  z-index: 3;
  display: grid;
  width: 76px;
  padding: 12px 8px 10px;
  color: var(--white);
  text-align: center;
  background: var(--navy);
}
.reverse .day-label { right: 18px; left: auto; }
.day-label span { font-size: 8px; font-weight: 700; letter-spacing: .2em; }
.day-label strong { margin: -2px 0 2px; font-family: Georgia, serif; font-size: 35px; font-weight: 400; line-height: 1; }
.day-label time { font-size: 9px; font-weight: 700; }

.image-button,
.gallery-item {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  cursor: zoom-in;
  background: var(--navy-deep);
}
.image-button { aspect-ratio: 3 / 2; }
.image-button img,
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease, opacity .55s ease; }
.image-button:hover img,
.gallery-item:hover img { opacity: .82; transform: scale(1.025); }
.zoom-icon {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--white);
  border: 1px solid rgb(255 255 255 / 60%);
  font-size: 24px;
  line-height: 1;
  background: rgb(5 28 42 / 52%);
}

.day-type { margin: 0 0 10px; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.day-copy h3 {
  margin: 0 0 22px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(24px, 3.2vw, 37px);
  font-weight: 600;
  line-height: 1.55;
}
.day-copy > p:last-child { margin: 0; color: var(--muted); font-size: 14px; }

.gallery-section { padding: 130px 0; color: var(--white); background: var(--navy-deep); }
.gallery-heading { margin-bottom: 54px; }
.gallery-heading .eyebrow { color: var(--cyan); }
.gallery-heading > p:last-child { margin: 14px 0 0; color: #aebfc6; font-size: 12px; }
.gallery-grid { display: grid; grid-auto-flow: dense; grid-auto-rows: 220px; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gallery-item { min-height: 0; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }

.thanks-section {
  position: relative;
  display: grid;
  min-height: 760px;
  place-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-deep);
}
.thanks-section > img,
.thanks-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.thanks-section > img { object-fit: cover; object-position: center 42%; }
.thanks-shade { background: rgb(5 29 42 / 74%); }
.thanks-content { position: relative; z-index: 2; width: min(760px, calc(100% - 48px)); text-align: center; }
.thanks-content .eyebrow { color: #9cd7da; }
.thanks-content h2 { margin-bottom: 32px; }
.thanks-content > p:not(.eyebrow) { max-width: 680px; margin: 0 auto 18px; color: #e0e8e9; font-size: 14px; }

.signature-section { padding: 82px 0; background: var(--white); }
.signature-inner { display: flex; gap: 110px; justify-content: flex-end; }
.signature-inner p { margin: 0 0 8px; color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.signature-inner strong { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 15px; line-height: 1.8; }

.site-footer { padding: 54px 0 42px; color: #b8c5ca; background: #061a25; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 24px 60px; align-items: end; }
.footer-inner strong { color: var(--white); font-size: 14px; }
.footer-inner p { margin: 5px 0 0; font-size: 11px; }
.footer-links { display: flex; gap: 24px; font-size: 11px; }
.footer-links a { text-underline-offset: 4px; }
.footer-inner small { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid rgb(255 255 255 / 12%); font-size: 9px; }

.lightbox {
  width: min(1100px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  padding: 0;
  overflow: visible;
  color: var(--white);
  border: 0;
  background: transparent;
}
.lightbox::backdrop { background: rgb(1 12 18 / 92%); backdrop-filter: blur(5px); }
.lightbox figure { display: grid; gap: 10px; margin: 0; justify-items: center; }
.lightbox img { width: auto; max-width: 100%; max-height: calc(100vh - 90px); object-fit: contain; }
.lightbox figcaption { font-size: 12px; text-align: center; }
.lightbox-close {
  position: fixed;
  top: 16px;
  right: 18px;
  z-index: 3;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--white);
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 50%;
  cursor: pointer;
  font-size: 27px;
  line-height: 1;
  background: rgb(0 0 0 / 25%);
}

.reveal { opacity: 1; transform: none; }
.has-js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.has-js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .has-js .reveal { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 760px); --header-height: 68px; }
  .menu-button {
    display: grid;
    width: 42px;
    height: 42px;
    padding: 10px;
    place-content: center;
    gap: 5px;
    color: inherit;
    border: 0;
    border-radius: 0;
    background: transparent;
  }
  .menu-button span:not(.sr-only) { display: block; width: 22px; height: 1px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .menu-button[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    padding: 20px 18px 28px;
    color: var(--ink);
    background: var(--white);
    box-shadow: 0 12px 24px rgb(11 35 48 / 10%);
  }
  .site-nav.is-open { display: grid; gap: 0; }
  .site-nav a { padding: 13px 2px; border-bottom: 1px solid var(--line); }
  .site-nav a::after { display: none; }

  .hero { min-height: 760px; }
  .hero-image { object-position: 58% center; }
  .hero-shade { background: linear-gradient(90deg, rgb(5 28 42 / 88%) 0%, rgb(5 28 42 / 60%) 70%, rgb(5 28 42 / 30%) 100%), linear-gradient(0deg, rgb(5 25 37 / 68%) 0%, transparent 50%); }
  .hero-content { padding-bottom: 66px; }

  .report-section,
  .program-section,
  .gallery-section { padding: 96px 0; }
  .report-grid { grid-template-columns: 1fr; gap: 54px; }
  .report-copy { max-width: none; }

  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .number-item { padding: 28px 34px; }
  .number-item:nth-child(odd) { border-left: 0; }
  .number-item:nth-child(n+3) { border-top: 1px solid rgb(255 255 255 / 20%); }

  .program-intro { grid-template-columns: 1fr; gap: 24px; margin-bottom: 62px; }
  .day-block,
  .day-block.reverse { grid-template-columns: 1fr; gap: 36px; padding: 54px 0 62px; }
  .day-block.reverse .day-image-wrap,
  .day-block.reverse .day-copy { order: initial; }
  .reverse .day-label { right: auto; left: 18px; }

  .gallery-grid { grid-auto-rows: 190px; grid-template-columns: repeat(2, 1fr); }
  .gallery-item.tall { grid-row: span 2; }

  .signature-inner { gap: 58px; justify-content: flex-start; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 30px); }
  .brand-copy strong { font-size: 12px; }
  .brand-mark { width: 34px; height: 34px; font-size: 22px; }

  .hero { min-height: 720px; }
  .hero-image { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgb(5 28 42 / 91%) 0%, rgb(5 28 42 / 63%) 100%), linear-gradient(0deg, rgb(5 25 37 / 72%) 0%, transparent 60%); }
  .hero-content { padding: 136px 0 48px; }
  .hero-kicker { font-size: 9px; }
  .hero h1 { font-size: clamp(32px, 10vw, 44px); }
  .hero-lead { margin-top: 20px; }

  .report-section { padding: 78px 0; }
  .section-heading h2,
  .program-intro h2,
  .gallery-heading h2,
  .thanks-content h2 { font-size: 34px; }
  .report-copy .lead { font-size: 19px; line-height: 1.9; }

  .numbers-section { padding: 28px 0; }
  .number-item { padding: 26px 18px; }
  .number-item strong span { font-size: 52px; }
  .number-item p { font-size: 11px; }

  .program-section,
  .gallery-section { padding: 80px 0; }
  .day-label { top: 42px; left: 10px; }
  .reverse .day-label { left: 10px; }
  .day-copy h3 { font-size: 27px; }

  .gallery-grid { grid-auto-rows: 135px; gap: 5px; }
  .gallery-item.wide { grid-column: span 2; }

  .thanks-section { min-height: 680px; }
  .thanks-section > img { object-position: 56% center; }
  .thanks-content { width: calc(100% - 30px); }

  .signature-inner { display: grid; gap: 36px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 8px; }
  .footer-inner small { grid-column: 1; }
}
