:root {
  --paper: #ffffff;
  --ink: #171717;
  --red: #bc002d;
  --red-dark: #920023;
  --wash: #f5f3ef;
  --blush: #fbf1f3;
  --muted: #676767;
  --line: rgba(23, 23, 23, 0.15);
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.045em; }
h1, h2 { line-height: 1.34; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }

.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; padding: 0.65rem 1rem; background: var(--red); color: #fff; }
.skip-link:focus { top: 1rem; }

.site-header { position: absolute; top: 0; right: 0; left: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; padding: 26px clamp(24px, 5vw, 78px); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-compass { width: 34px; height: 34px; flex: none; }
.brand-wordmark { width: 112px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 500; }
.site-nav a { position: relative; }
.site-nav a:not(.nav-cta)::after { position: absolute; right: 0; bottom: -5px; left: 0; height: 1px; background: var(--ink); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 0.25s ease; }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 9px 17px; border: 1px solid var(--ink); }
.menu-button { display: none; border: 0; background: transparent; }

.eyebrow { margin-bottom: 20px; color: var(--red); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; }
.section { padding: clamp(96px, 10vw, 160px) clamp(24px, 7.5vw, 122px); }
.section h2, .consultation h2 { margin-bottom: 0; font-size: clamp(38px, 4.3vw, 66px); }
.section-heading { max-width: 760px; margin-bottom: 62px; }
.section-heading > p:last-child { max-width: 520px; margin: 24px 0 0; color: var(--muted); }

.hero { position: relative; display: flex; min-height: min(860px, 100vh); overflow: hidden; padding: 160px clamp(24px, 8vw, 128px) 72px; }
.hero-copy { position: relative; z-index: 2; width: min(48%, 600px); align-self: center; }
.hero h1 { margin-bottom: 30px; font-size: clamp(52px, 6.1vw, 96px); }
.hero h1 em { color: var(--red); font-style: normal; }
.hero-lead { max-width: 500px; margin-bottom: 34px; font-size: clamp(16px, 1.5vw, 20px); line-height: 1.95; }
.hero-art { position: absolute; z-index: 0; inset: 82px 0 0; display: grid; place-items: center; margin: 0; }
.hero-art picture { display: block; width: 100%; }
.hero-art img { width: 100%; height: auto; object-fit: contain; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-width: 230px; padding: 15px 18px; border: 1px solid transparent; font-size: 13px; font-weight: 600; transition: transform 0.2s ease, background 0.2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--red); color: #fff; }
.button-primary:hover { background: var(--red-dark); }
.button span { font-size: 18px; font-weight: 400; }

.purpose { display: grid; grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr); align-items: center; gap: clamp(46px, 7vw, 110px); border-top: 1px solid var(--line); }
.purpose h2 { margin-bottom: 38px; }
.purpose-copy > p:not(.eyebrow) { max-width: 640px; margin-bottom: 18px; color: #4f4f4f; }
.purpose-copy .purpose-lead { color: var(--ink); font-size: clamp(18px, 1.7vw, 24px); font-weight: 600; line-height: 1.75; }
.purpose-art { margin: 0; }
.purpose-art img { width: 100%; height: auto; }

.principles { background: var(--wash); }
.principle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.principle-card { overflow: hidden; margin: 0; border: 1px solid var(--line); background: #fff; }
.principle-card > img { width: 100%; height: auto; }
.principle-copy { position: relative; padding: 28px 28px 32px; border-top: 1px solid var(--line); }
.principle-copy > span { position: absolute; top: 31px; right: 27px; color: var(--red); font-size: 11px; letter-spacing: 0.1em; }
.principle-copy h3 { margin-bottom: 9px; font-size: 27px; }
.principle-copy p { margin: 0; color: var(--muted); font-size: 14px; }

.fieldwork { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr); align-items: center; gap: clamp(50px, 7vw, 112px); }
.fieldwork h2 { margin-bottom: 35px; }
.fieldwork-lead { margin-bottom: 22px; font-size: clamp(19px, 1.8vw, 26px); font-weight: 600; line-height: 1.75; }
.fieldwork-copy > p:not(.eyebrow):not(.fieldwork-lead) { color: var(--muted); }
.fieldwork-art { margin: 0; }
.fieldwork-art img { width: 100%; height: auto; }
.plain-list { margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.plain-list li { position: relative; padding: 11px 0 11px 22px; border-bottom: 1px solid var(--line); font-size: 13px; }
.plain-list li::before { position: absolute; top: 21px; left: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--red); content: ""; }

.program { background: var(--blush); }
.program-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.program-heading > p { max-width: 410px; margin: 0 0 7px; color: var(--muted); }
.program-art { margin: 70px 0 54px; }
.program-art img { width: 100%; height: auto; }
.grade-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.grade-card { padding: 27px 32px 8px 0; border-right: 1px solid var(--line); }
.grade-card + .grade-card { padding-left: 32px; }
.grade-card:last-child { border-right: 0; }
.grade-card > span { color: var(--red); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; }
.grade-card h3 { margin: 8px 0 13px; font-size: 23px; }
.grade-card p { color: var(--muted); font-size: 14px; }

.support { background: #fff; }
.support-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.support-card { overflow: hidden; border: 1px solid var(--line); }
.support-card > img { width: 100%; height: auto; }
.support-card > div { padding: 29px 31px 34px; border-top: 1px solid var(--line); }
.support-card span { color: var(--red); font-size: 10px; font-weight: 600; letter-spacing: 0.13em; }
.support-card h3 { margin: 8px 0 10px; font-size: 24px; }
.support-card p { margin: 0; color: var(--muted); font-size: 14px; }

.progress { background: var(--wash); }
.progress-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr); gap: clamp(54px, 8vw, 126px); }
.progress-heading { max-width: 720px; }
.progress-heading h2 { margin-bottom: 30px; }
.progress-heading > p:last-child { color: var(--muted); }
.progress-points { border-top: 1px solid var(--ink); }
.progress-points article { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 24px 0 26px; border-bottom: 1px solid var(--line); }
.progress-points article > span { padding-top: 4px; color: var(--red); font-size: 10px; font-weight: 600; letter-spacing: 0.1em; }
.progress-points h3 { margin-bottom: 7px; font-size: 21px; }
.progress-points p { grid-column: 2; max-width: 520px; margin: 0; color: var(--muted); font-size: 13px; }

.consultation { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(55px, 8vw, 120px); overflow: hidden; padding: clamp(100px, 11vw, 165px) clamp(24px, 7.5vw, 122px); background: var(--red); color: #fff; }
.consultation .eyebrow { color: #fff; opacity: 0.78; }
.consultation-copy, .consultation-form { position: relative; z-index: 1; }
.consultation-copy > p:last-child { max-width: 470px; margin-top: 30px; }
.consultation-compass { position: absolute; top: -95px; right: -110px; width: min(44vw, 620px); opacity: 0.16; }
.consultation-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-content: start; }
.consultation-form label { display: flex; flex-direction: column; gap: 6px; font-size: 11px; letter-spacing: 0.05em; }
.consultation-form label:nth-of-type(4) { grid-column: 1 / -1; }
.consultation-form input, .consultation-form select, .consultation-form textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(255,255,255,0.75); border-radius: 0; outline: 0; background: transparent; color: #fff; font-size: 15px; letter-spacing: normal; }
.consultation-form input, .consultation-form select { height: 40px; }
.consultation-form textarea { padding: 0.4rem 0; resize: vertical; }
.consultation-form option { color: var(--ink); }
.button-light { grid-column: 1 / -1; margin-top: 8px; background: #fff; color: var(--red); }
.form-note, .form-status { grid-column: 1 / -1; margin: 0; font-size: 11px; line-height: 1.55; opacity: 0.8; }
.form-status { min-height: 1em; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; gap: 30px; padding: 34px clamp(24px, 5vw, 78px); border-top: 1px solid var(--line); background: #fff; font-size: 11px; }
.brand-footer { justify-self: start; }
.site-footer > p { margin: 0; justify-self: center; color: var(--muted); }
.site-footer > div { display: flex; justify-content: end; gap: 18px; color: var(--muted); }
.site-footer a:hover { color: var(--red); }

.policy-header { position: relative; border-bottom: 1px solid var(--line); }
.policy-page { width: min(100% - 48px, 820px); margin: 0 auto; padding: clamp(90px, 12vw, 150px) 0; }
.policy-page h1 { margin-bottom: 25px; font-size: clamp(42px, 5vw, 66px); }
.policy-lead { max-width: 600px; margin-bottom: 70px; font-size: 18px; }
.policy-content { border-top: 1px solid var(--line); }
.policy-content section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.policy-content h2 { margin-bottom: 8px; font-size: 20px; }
.policy-content p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.policy-date { margin-top: 30px; color: var(--muted); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media (max-width: 1120px) {
  .site-header { padding: 21px 24px; }
  .site-nav { position: absolute; top: 0; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 84px 24px 24px; background: #fff; box-shadow: 0 16px 30px rgba(0,0,0,0.08); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 14px; border: 1px solid var(--ink); text-align: center; }
  .menu-button { position: relative; z-index: 2; display: grid; gap: 6px; width: 29px; padding: 7px 0; }
  .menu-button span:not(.sr-only) { display: block; width: 100%; height: 1px; background: var(--ink); }
  .hero h1 em { white-space: nowrap; }
}

@media (max-width: 900px) {
  .hero { display: block; min-height: 0; padding: 140px 24px 0; }
  .hero-copy { width: min(100%, 600px); }
  .hero-art { position: relative; inset: auto; width: calc(100% + 48px); margin: 42px -24px 0; }
  .hero-art picture, .hero-art img { width: 100%; }
  .hero h1 { font-size: clamp(47px, 12vw, 72px); }
  .hero-lead { max-width: 520px; }

  .purpose, .fieldwork { grid-template-columns: 1fr; }
  .purpose-art { order: -1; }
  .fieldwork-art { order: -1; }
  .principle-grid, .grade-grid { grid-template-columns: 1fr; }
  .program-heading { display: block; }
  .program-heading > p { margin-top: 28px; }
  .grade-card, .grade-card + .grade-card { padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .support-grid { grid-template-columns: 1fr; }
  .progress-layout { grid-template-columns: 1fr; }
  .consultation { grid-template-columns: 1fr; }
  .consultation-copy { margin-bottom: 10px; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer > p { justify-self: start; }
  .site-footer > div { justify-content: space-between; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .brand-compass { width: 29px; height: 29px; }
  .brand-wordmark { width: 96px; }
  .section { padding: 84px 24px; }
  .section h2, .consultation h2 { font-size: 36px; }
  .section-heading { margin-bottom: 44px; }

  .hero { padding-top: 126px; }
  .hero h1 { font-size: 45px; }
  .hero-lead { font-size: 15px; }
  .hero-art { margin-top: 24px; }
  .hero-art img { width: 100%; max-width: 100%; transform: none; }
  .button { width: 100%; }

  .purpose, .fieldwork { gap: 35px; }
  .principle-grid { gap: 14px; }
  .principle-copy { padding: 24px; }
  .principle-copy > span { top: 27px; right: 23px; }
  .program-art { margin: 46px 0 30px; }
  .program-art img { width: 100%; max-width: 100%; transform: none; }
  .support-card > div { padding: 24px; }

  .progress-layout { gap: 42px; }
  .progress-points article { grid-template-columns: 36px 1fr; }

  .consultation { padding: 84px 24px; }
  .consultation-form { display: block; }
  .consultation-form label { margin-bottom: 18px; }
  .button-light { margin-top: 8px; }
  .form-note, .form-status { margin-top: 12px; }
  .consultation-compass { top: -15px; right: -190px; width: 540px; }
  .site-footer { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}