:root {
  --blue: #233d69;
  --blue-deep: #172943;
  --blue-mid: #42638d;
  --blue-soft: #dce8f0;
  --sky: #a9c9dc;
  --gold: #d7b76a;
  --gold-pale: #f2e7c6;
  --ink: #17243b;
  --muted: #647184;
  --paper: #fffefa;
  --mist: #eef4f7;
  --line: #d9e1e7;
  --radius: 26px;
  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.9;
  line-break: strict;
  word-break: normal;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; max-width: 100%; height: auto; object-fit: contain; }
a { color: inherit; }
p, li, dd { overflow-wrap: break-word; text-wrap: pretty; }
h1, h2, h3 { word-break: normal; overflow-wrap: normal; text-wrap: balance; }
.phrase { display: inline-block; white-space: nowrap; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 40px;
  min-height: 88px;
  padding: 12px clamp(24px, 4.2vw, 76px);
  border-bottom: 1px solid rgba(35, 61, 105, .11);
  background: rgba(255, 254, 250, .94);
  backdrop-filter: blur(15px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; color: var(--blue-deep); text-decoration: none; }
.brand-symbol {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--blue);
  background: radial-gradient(circle at 50% 38%, #fff 0 15%, var(--gold-pale) 16% 100%);
  font: 600 22px/1 Georgia, serif;
}
.brand-copy b { display: block; font-family: var(--serif); font-size: 17px; letter-spacing: .07em; line-height: 1.35; }
.brand-copy small { display: block; color: var(--blue-mid); font-size: 11px; font-weight: 700; letter-spacing: .15em; line-height: 1.5; }
.site-header nav { display: flex; gap: 27px; }
.site-header nav a { color: #526178; font-size: 14px; font-weight: 700; text-decoration: none; }
.site-header nav a:hover { color: var(--blue); }
.header-cta { padding: 11px 22px; border-radius: 999px; background: var(--blue); color: white; font-size: 14px; font-weight: 800; text-decoration: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(470px, .97fr);
  min-height: 700px;
  overflow: hidden;
  background: linear-gradient(145deg, #fffefa 0%, #f7f6f0 100%);
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 88px clamp(36px, 7vw, 118px); }
.eyebrow, .section-kicker { margin: 0 0 22px; color: var(--blue-mid); font-size: 13px; font-weight: 800; letter-spacing: .18em; line-height: 1.5; }
.eyebrow span { display: inline-block; margin-left: 10px; padding: 4px 12px; border-radius: 999px; color: var(--blue-deep); background: var(--gold-pale); letter-spacing: .08em; }
h1 {
  max-width: 700px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(46px, 5vw, 72px);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.35;
}
h1 .accent { color: var(--blue); background: linear-gradient(transparent 73%, rgba(215, 183, 106, .46) 73%); }
.hero-lead { margin: 30px 0 18px; color: var(--blue-deep); font-size: clamp(19px, 1.7vw, 24px); font-weight: 700; line-height: 1.8; }
.hero-text { max-width: 610px; margin: 0 0 32px; color: #566275; }
.hero-actions { display: flex; align-items: center; gap: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 62px; padding: 14px 28px; border-radius: 999px; font-weight: 800; line-height: 1.5; text-align: center; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--blue); box-shadow: 0 16px 34px rgba(35, 61, 105, .18); }
.button-primary:hover { background: var(--blue-deep); }
.text-link { color: var(--blue); font-weight: 800; text-underline-offset: 5px; }
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
  padding: clamp(48px, 6vw, 84px) clamp(30px, 4vw, 66px);
  overflow: hidden;
  background:
    radial-gradient(circle at 27% 25%, rgba(255,255,255,.24) 0 2px, transparent 3px),
    linear-gradient(145deg, var(--blue-mid), var(--blue-deep));
}
.hero-visual::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(215,183,106,.22);
  border-radius: 50%;
  transform: translate(-52%, -50%);
  box-shadow: 0 0 0 74px rgba(255,255,255,.025), 0 0 0 148px rgba(255,255,255,.018);
}
.photo-frame { margin: 0; }
.photo-frame img { border-radius: var(--radius); background: white; box-shadow: 0 26px 55px rgba(11, 26, 49, .24); }
.photo-frame figcaption { margin-top: 13px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 800; letter-spacing: .18em; line-height: 1.5; }
.hero-photo { position: relative; z-index: 1; width: 100%; }
.light-word { position: absolute; right: -8px; bottom: 14px; color: rgba(255,255,255,.08); font: 500 clamp(56px, 6.8vw, 112px)/1 Georgia, serif; letter-spacing: -.03em; writing-mode: vertical-rl; }

.class-now { display: grid; grid-template-columns: .6fr 1.3fr 1.3fr auto; align-items: center; gap: 30px; max-width: 1240px; margin: 0 auto; padding: 36px 28px; border-bottom: 1px solid var(--line); }
.class-label { margin: 0; color: var(--gold); font: 800 12px/1.5 Arial, sans-serif; letter-spacing: .16em; }
.class-now div { padding-left: 28px; border-left: 1px solid var(--line); }
.class-now b, .class-now span { display: block; }
.class-now b { color: var(--blue-deep); font-size: 15px; }
.class-now span { color: var(--muted); font-size: 14px; }
.class-now > a { color: var(--blue); font-size: 14px; font-weight: 800; text-decoration: none; }

.section { max-width: 1180px; margin: 0 auto; padding: 120px 24px; }
.section h2, .principle h2, .results h2, .courses h2, .closing h2, .access h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.45;
}
.about { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px, 9vw, 130px); }
.about-copy { padding-top: 6px; }
.about-copy p { margin: 0 0 20px; color: #536074; }
.about-copy .lead { color: var(--ink); font-size: 21px; font-weight: 700; line-height: 2; }
.about-copy i { color: var(--blue); font-family: Georgia, serif; }
.about-copy blockquote { margin: 42px 0 0; padding: 22px 28px; border-left: 3px solid var(--gold); background: #fbf7ec; color: var(--blue-deep); font-family: var(--serif); font-size: 21px; font-weight: 600; }

.principle { position: relative; overflow: hidden; color: white; background: var(--blue-deep); }
.principle::after { content: ""; position: absolute; top: -170px; right: -170px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(242,231,198,.26), rgba(215,183,106,.06) 35%, transparent 70%); }
.principle-inner { position: relative; z-index: 1; max-width: 980px; margin: 0 auto; padding: 112px 24px; text-align: center; }
.section-kicker.light { color: var(--sky); }
.gold { color: var(--gold); }
.principle-quote { margin-left: -.2em; }
.principle-lead { margin: 30px auto 0; color: #dae3ee; font-size: 20px; font-weight: 700; line-height: 2; }
.principle-line { width: 1px; height: 72px; margin: 42px auto; background: linear-gradient(var(--gold), transparent); }
.principle-words { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 760px; margin: 0 auto; }
.principle-words span { padding: 18px; border-left: 1px solid rgba(255,255,255,.17); color: var(--gold); font: 500 22px/1.4 Georgia, serif; letter-spacing: .08em; }
.principle-words span:first-child { border-left: 0; }
.principle-words small { display: block; margin-top: 8px; color: white; font: 700 14px/1.5 var(--sans); letter-spacing: .08em; }

.section-heading { margin-bottom: 54px; }
.section-heading.centered { max-width: 760px; margin-right: auto; margin-bottom: 56px; margin-left: auto; text-align: center; }
.section-heading.centered > p:last-child { color: var(--muted); }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.method-grid article { position: relative; min-height: 340px; padding: 42px 36px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.method-grid article:nth-child(2) { color: white; background: var(--blue); border-color: var(--blue); }
.method-grid .number { position: absolute; top: 23px; right: 26px; color: rgba(35,61,105,.1); font: 600 78px/1 Georgia, serif; }
.method-grid article:nth-child(2) .number { color: rgba(255,255,255,.1); }
.method-grid .en { margin: 0 0 48px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .15em; }
.method-grid h3 { margin: 0 0 14px; color: var(--blue-deep); font-family: var(--serif); font-size: 27px; line-height: 1.55; }
.method-grid article:nth-child(2) h3 { color: white; }
.method-grid article > p:last-child { margin: 0; color: var(--muted); }
.method-grid article:nth-child(2) > p:last-child { color: #d9e4ee; }

.results { display: grid; grid-template-columns: 1fr 1fr; align-items: center; color: white; background: var(--blue-mid); }
.results-photo { padding: clamp(54px, 6vw, 92px) clamp(24px, 5vw, 74px); }
.results-copy { padding: 80px clamp(38px, 7vw, 112px) 80px 30px; }
.results-sub { display: inline-block; margin-left: .18em; font-size: .55em; white-space: nowrap; }
.results-intro { max-width: 620px; color: #e6edf4; font-size: 18px; font-weight: 700; }
.school-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 31px 0 20px; }
.school-list span { padding: 5px 13px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: rgba(255,255,255,.07); font-size: 14px; font-weight: 700; line-height: 1.5; white-space: nowrap; }
.results-copy .note { color: #dbe5ef; font-size: 14px; }

.voice { display: grid; grid-template-columns: 120px 1fr; max-width: 1000px; padding-top: 100px; padding-bottom: 100px; }
.voice-mark { color: var(--gold); font: 500 140px/.75 Georgia, serif; }
.voice blockquote { margin: 0; }
.voice blockquote p { margin: 0; color: var(--blue-deep); font-family: var(--serif); font-size: clamp(21px, 2.4vw, 31px); font-weight: 600; line-height: 1.8; }
.voice cite { display: block; margin-top: 22px; color: var(--muted); font-size: 14px; font-style: normal; font-weight: 700; }

.courses { color: white; background: var(--blue-deep); }
.courses-inner { max-width: 1140px; }
.courses .section-heading.centered > p:last-child { color: #d4deea; }
.course-list { border-top: 1px solid rgba(255,255,255,.19); }
.course-list article { display: grid; grid-template-columns: 1fr .8fr 1.2fr; align-items: center; gap: 34px; padding: 36px 8px; border-bottom: 1px solid rgba(255,255,255,.19); }
.course-type { display: flex; align-items: flex-start; gap: 18px; }
.course-type span { color: var(--gold); font: 700 13px/1.8 Arial, sans-serif; }
.course-type p { margin: 0; font-weight: 700; }
.course-name h3 { margin: 0; font-family: var(--serif); font-size: 25px; }
.course-name small { display: inline-block; margin-top: 6px; padding: 3px 10px; border-radius: 999px; color: var(--blue-deep); background: var(--gold-pale); font-size: 12px; font-weight: 800; line-height: 1.5; }
.course-list dl { display: flex; gap: 34px; margin: 0; }
.course-list dl > div { min-width: 130px; padding-left: 20px; border-left: 1px solid rgba(255,255,255,.2); }
.course-list dt { color: var(--sky); font-size: 13px; font-weight: 800; }
.course-list dd { margin: 2px 0 0; color: #dce6f0; font-size: 14px; }
.course-list dd b { color: white; font-size: 17px; }
.course-note { margin: 28px 0 0; color: #ced9e6; font-size: 14px; text-align: center; }
.course-actions { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 40px; }
.button-light { color: var(--blue-deep); background: white; box-shadow: 0 16px 34px rgba(7,18,37,.22); }
.button-light:hover { background: var(--gold-pale); }
.mail-link { color: var(--gold-pale); font-size: 15px; font-weight: 700; text-underline-offset: 5px; }

.teacher { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px, 9vw, 130px); }
.teacher-name { display: inline-block; margin: 28px 0 16px; padding: 6px 18px; border-radius: 999px; color: var(--blue-deep); background: var(--gold-pale); font-family: var(--serif); font-size: 20px; font-weight: 700; }
.teacher-career { margin: 0; color: var(--muted); }
.teacher-message { padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--mist); }
.teacher-message p { margin: 0 0 20px; color: #4b596d; }
.teacher-message p:last-child { margin-bottom: 0; }

.record { padding-top: 30px; }
.record-list { border-top: 1px solid var(--line); }
.record-list details { border-bottom: 1px solid var(--line); }
.record-list summary { display: flex; align-items: center; justify-content: space-between; min-height: 86px; padding: 18px 8px; color: var(--blue-deep); cursor: pointer; font-family: var(--serif); font-size: 24px; font-weight: 700; list-style: none; }
.record-list summary::-webkit-details-marker { display: none; }
.record-list summary span { color: var(--gold); font: 400 30px/1 Arial, sans-serif; transition: transform .2s ease; }
.record-list details[open] summary span { transform: rotate(45deg); }
.record-body { padding: 0 8px 30px; color: var(--muted); }
.record-body p { margin: 0 0 9px; }
.record-body.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.record-body h3 { margin: 0 0 14px; color: var(--blue); font-size: 18px; }

.faq { max-width: 980px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 84px; padding: 18px 8px; color: var(--blue-deep); cursor: pointer; font-size: 19px; font-weight: 800; line-height: 1.6; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { flex: 0 0 auto; color: var(--gold); font: 400 29px/1 Arial, sans-serif; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details > p { margin: 0; padding: 0 8px 30px; color: var(--muted); font-size: 17px; }

.closing { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; color: white; background: var(--blue-mid); }
.closing-photo { padding: clamp(50px, 6vw, 90px) clamp(24px, 5vw, 74px); }
.closing-copy { padding: 80px clamp(38px, 8vw, 130px) 80px 20px; }
.closing-copy p:not(.section-kicker) { max-width: 620px; color: #e3ebf3; }
.closing-copy .button { margin-top: 20px; }

.access { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; max-width: 1180px; margin: 0 auto; padding: 100px 24px; }
.access h2 { font-size: clamp(32px, 3.6vw, 48px); }
.access-note { align-self: stretch; padding: 38px; border-radius: var(--radius); background: var(--mist); }
.access-note p { margin: 0 0 20px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.access-note strong, .access-note span { display: block; }
.access-note strong { color: var(--blue-deep); font-family: var(--serif); font-size: 23px; }
.access-note span { margin-top: 14px; color: var(--muted); }

footer { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px; padding: 50px clamp(24px, 5vw, 80px); color: #d7e1eb; background: #101f36; }
.footer-brand { color: white; }
footer > p { margin: 0; text-align: right; }
footer > small { grid-column: 2; color: #8fa0b4; }
.photo-credit { font-size: 12px; }
.photo-credit a { color: #cbd8e7; }
.mobile-cta { display: none; }

.reveal { animation: rise .75s ease both; }
.hero-visual.reveal { animation-delay: .12s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { animation: none; } }

@media (max-width: 1080px) {
  .site-header { gap: 22px; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr .9fr; }
  .hero-copy { padding: 74px 44px; }
  .hero-visual { padding: 58px 34px; }
  .class-now { grid-template-columns: 1fr 1fr; }
  .class-label, .class-now > a { display: none; }
  .course-list article { grid-template-columns: .9fr .7fr 1.3fr; gap: 24px; }
}

@media (max-width: 780px) {
  body { padding-bottom: 72px; font-size: 17px; line-height: 1.85; }
  .site-header { position: relative; grid-template-columns: 1fr auto; min-height: 74px; padding: 10px 18px; }
  .brand { gap: 9px; }
  .brand-symbol { width: 40px; height: 40px; font-size: 19px; }
  .brand-copy b { font-size: 15px; letter-spacing: .045em; }
  .brand-copy small { font-size: 9px; letter-spacing: .1em; }
  .header-cta { padding: 9px 14px; font-size: 13px; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: 62px 22px 50px; }
  .eyebrow, .section-kicker { margin-bottom: 18px; font-size: 12px; }
  .eyebrow span { margin-left: 5px; }
  h1 { font-size: clamp(39px, 12vw, 52px); line-height: 1.38; }
  .hero-lead { margin-top: 25px; font-size: 20px; line-height: 1.75; }
  .hero-text { margin-bottom: 28px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 17px; }
  .button { min-height: 60px; padding: 14px 20px; font-size: 16px; }
  .text-link { align-self: center; }
  .hero-visual { min-height: auto; padding: 42px 20px 36px; }
  .hero-visual::before { width: 420px; height: 420px; }
  .photo-frame img { border-radius: 19px; }
  .light-word { display: none; }
  .class-now { grid-template-columns: 1fr; gap: 0; padding: 11px 20px 22px; }
  .class-now div { padding: 17px 0; border-top: 1px solid var(--line); border-left: 0; }
  .class-now div:first-of-type { border-top: 0; }
  .class-now b { font-size: 16px; }
  .class-now span { margin-top: 4px; font-size: 15px; line-height: 1.65; }
  .section { padding: 86px 20px; }
  .section h2, .principle h2, .results h2, .courses h2, .closing h2, .access h2 { font-size: clamp(34px, 10vw, 44px); line-height: 1.48; }
  .about, .teacher { grid-template-columns: 1fr; gap: 40px; }
  .about-copy .lead { font-size: 19px; line-height: 1.9; }
  .about-copy blockquote { margin-top: 34px; padding: 20px 19px; font-size: 19px; }
  .principle-inner { padding: 86px 20px; }
  .principle-lead { font-size: 18px; }
  .desktop-only { display: none; }
  .principle-line { height: 55px; margin: 32px auto; }
  .principle-words { grid-template-columns: 1fr; max-width: 320px; }
  .principle-words span { padding: 16px; border-top: 1px solid rgba(255,255,255,.17); border-left: 0; }
  .principle-words span:first-child { border-top: 0; }
  .section-heading.centered { margin-bottom: 42px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 0; padding: 36px 27px; }
  .method-grid .en { margin-bottom: 34px; }
  .method-grid h3 { font-size: 25px; }
  .results, .closing { grid-template-columns: 1fr; }
  .results-photo, .closing-photo { padding: 48px 20px 22px; }
  .results-copy, .closing-copy { padding: 34px 20px 78px; }
  .closing-copy { min-width: 0; }
  .closing h2 .phrase { white-space: normal; }
  .results-intro { font-size: 17px; }
  .school-list { gap: 7px; }
  .school-list span { font-size: 13px; }
  .voice { grid-template-columns: 1fr; gap: 12px; padding-top: 76px; padding-bottom: 76px; }
  .voice-mark { height: 60px; font-size: 102px; }
  .voice blockquote p { font-size: 21px; }
  .course-list article { grid-template-columns: 1fr; gap: 18px; padding: 29px 4px; }
  .course-name h3 { font-size: 24px; }
  .course-list dl { flex-direction: column; gap: 12px; }
  .course-list dl > div { display: grid; grid-template-columns: 80px 1fr; min-width: 0; padding: 11px 0 0; border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .course-list dt, .course-list dd { font-size: 15px; }
  .course-list dd { margin: 0; }
  .course-list dd b { font-size: 18px; }
  .course-note { text-align: left; }
  .teacher-message { padding: 28px 22px; }
  .record { padding-top: 10px; }
  .record-list summary { min-height: 78px; font-size: 21px; }
  .record-body { font-size: 16px; }
  .record-body.columns { grid-template-columns: 1fr; gap: 28px; }
  .faq-list summary { min-height: 76px; padding: 18px 4px; font-size: 17px; }
  .faq-list details > p { padding-right: 4px; padding-left: 4px; font-size: 16px; }
  .access { grid-template-columns: 1fr; gap: 40px; padding: 80px 20px; }
  .access-note { padding: 29px 23px; }
  footer { grid-template-columns: 1fr; padding: 46px 20px; }
  footer > p { text-align: left; }
  footer > small { grid-column: auto; }
  .mobile-cta { position: fixed; right: 0; bottom: 0; left: 0; z-index: 60; display: block; padding: 10px 13px calc(10px + env(safe-area-inset-bottom)); background: rgba(16,31,54,.96); box-shadow: 0 -10px 30px rgba(16,31,54,.18); }
  .mobile-cta a { display: flex; align-items: center; justify-content: center; min-height: 50px; border-radius: 999px; color: var(--blue-deep); background: white; font-size: 15px; font-weight: 800; text-decoration: none; }
}

@media (max-width: 380px) {
  .brand-copy small { display: none; }
  .header-cta { padding-right: 12px; padding-left: 12px; }
  .hero-copy { padding-right: 18px; padding-left: 18px; }
  h1 { font-size: 38px; }
  .hero-lead { font-size: 19px; }
  .phrase { white-space: normal; }
  .section, .principle-inner, .results-copy, .closing-copy, .access { padding-right: 18px; padding-left: 18px; }
}