:root {
  --ink: #30453f;
  --navy: #8fb3a5;
  --deep: #d9e8e1;
  --red: #4f7e70;
  --red-dark: #3d675c;
  --paper: #f3f7f3;
  --soft: #e2ece5;
  --line: rgba(48, 69, 63, 0.16);
  --muted: #667b74;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
:is(#about, #services, #flow, #faq, #contact) { scroll-margin-top: 100px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Noto Sans CJK SC", "Noto Sans SC", "Hiragino Sans GB", "Yu Gothic", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
html[lang="ja"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", "Meiryo", sans-serif;
  font-feature-settings: "palt" 1;
  line-break: strict;
  word-break: normal;
}
html[lang="ja"] .mark,
html[lang="ja"] .brand strong,
html[lang="ja"] .hero h1,
html[lang="ja"] .section h2,
html[lang="ja"] .focus h2,
html[lang="ja"] .documents h2,
html[lang="ja"] .contact h2,
html[lang="ja"] .disclaimer h2,
html[lang="ja"] .service-card h3,
html[lang="ja"] .service-details-intro h3,
html[lang="ja"] .service-details summary b,
html[lang="ja"] .about-grid span,
html[lang="ja"] .image-showcase h3,
html[lang="ja"] .focus-list h3,
html[lang="ja"] .timeline h3,
html[lang="ja"] .faq summary,
html[lang="ja"] .footer-brand b {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}
html[lang="ja"] .about-body .lead {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", "Meiryo", sans-serif;
  font-weight: 400;
  letter-spacing: .01em;
}
html[lang="en"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: normal;
}
html[lang="en"] .mark,
html[lang="en"] .brand strong,
html[lang="en"] .hero h1,
html[lang="en"] .section h2,
html[lang="en"] .focus h2,
html[lang="en"] .documents h2,
html[lang="en"] .contact h2,
html[lang="en"] .disclaimer h2,
html[lang="en"] .about-body .lead,
html[lang="en"] .about-grid span,
html[lang="en"] .image-showcase h3,
html[lang="en"] .service-card h3,
html[lang="en"] .service-details-intro h3,
html[lang="en"] .service-details summary b,
html[lang="en"] .focus-list h3,
html[lang="en"] .timeline h3,
html[lang="en"] .faq summary,
html[lang="en"] .footer-brand b {
  font-family: "Iowan Old Style", Baskerville, Georgia, "Times New Roman", serif;
}
html[lang="en"] :is(.hero h1, .section h2, .focus h2, .documents h2, .contact h2, .disclaimer h2, .image-showcase h3, .service-card h3, .service-details-intro h3, .service-details summary b, .focus-list h3, .timeline h3, .faq summary) {
  text-wrap: balance;
}
html[lang="en"] :is(.hero-lead, .hero-note, .about-body .lead, .about-grid p, .boundary, .image-showcase p, .section-heading.compact > p:last-child, .service-card p, .service-details-intro p, .service-detail-lead, .service-detail-groups li, .service-detail-note, .focus-copy > p:not(.section-index), .focus-list p, .timeline p, .documents > div > p:last-child, .documents li, .faq details > p, .contact-copy > p:not(.section-index), .disclaimer p) {
  text-align: left;
  text-align-last: auto;
  text-justify: auto;
  text-wrap: pretty;
  -webkit-hyphens: none;
  hyphens: none;
  overflow-wrap: normal;
  word-break: normal;
}
a { color: inherit; text-decoration: none; }
.mobile-only { display: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid rgba(31,102,95,.38); outline-offset: 3px; }
::selection { background: rgba(31,102,95,.2); }
.scroll-progress { position: fixed; z-index: 80; top: 0; left: 0; width: 100%; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: left center; pointer-events: none; }

.site-header {
  height: 86px;
  padding: 0 clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  gap: 36px;
  background: rgba(243, 247, 243, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  transition: box-shadow .25s, background .25s;
}
.site-header.is-scrolled { background: rgba(243,247,243,.98); box-shadow: 0 10px 35px rgba(61,103,92,.1); }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; flex-shrink: 0; }
.mark {
  width: 45px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-family: "Songti SC", "Yu Mincho", serif;
  font-size: 24px;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.brand > span:last-child { display: grid; line-height: 1.2; }
.brand strong { font-family: "Songti SC", "Yu Mincho", serif; font-size: 18px; letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: 9px; letter-spacing: .22em; margin-top: 4px; }
.site-header nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.site-header nav a { font-size: 13px; font-weight: 600; white-space: nowrap; transition: color .2s; }
.site-header nav a:hover { color: var(--red); }
.site-header nav a.is-active { color: var(--red); }
.language-switches { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.lang-switch { min-width: 38px; padding: 8px 9px; border: 1px solid var(--line); color: var(--red); font-size: 12px; font-weight: 800; line-height: 1.2; text-align: center; white-space: nowrap; }
.header-cta { background: var(--navy); color: #fff; padding: 13px 22px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.mobile-nav { display: none; }

.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--paper);
  position: relative;
  overflow: hidden;
  color: var(--ink);
}
.hero-media { position: absolute; inset: -3% 0; overflow: hidden; will-change: transform; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; display: block; animation: heroDrift 18s ease-in-out infinite alternate; }
.hero-media-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(243,247,243,.98) 0%, rgba(243,247,243,.9) 43%, rgba(243,247,243,.3) 73%, rgba(79,126,112,.12) 100%), linear-gradient(0deg, rgba(243,247,243,.3), transparent 48%); }
.hero-video-toggle { position: absolute; z-index: 4; top: 24px; right: clamp(20px, 3vw, 44px); min-height: 40px; padding: 0 16px; border: 1px solid rgba(79,126,112,.42); background: rgba(243,247,243,.9); color: var(--red-dark); font-size: 11px; font-weight: 700; letter-spacing: .08em; cursor: pointer; backdrop-filter: blur(8px); transition: background .2s, border-color .2s, color .2s; }
.hero-video-toggle:hover { background: rgba(31,102,95,.92); border-color: rgba(255,255,255,.72); }
.hero-video-toggle.is-paused { background: rgba(243,247,243,.94); color: var(--red-dark); border-color: rgba(243,247,243,.94); }
.hero-copy { position: relative; z-index: 2; width: min(1050px, 78vw); padding: clamp(70px, 9vh, 120px) clamp(32px, 7vw, 112px) 60px; align-self: center; }
.eyebrow, .section-index { margin: 0 0 28px; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.eyebrow span { padding-right: 16px; margin-right: 16px; border-right: 1px solid var(--line); }
.hero h1, .section h2, .focus h2, .documents h2, .contact h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Yu Mincho", serif;
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.28;
}
.hero h1 { font-size: clamp(38px, 4.1vw, 62px); max-width: 1020px; }
html[lang="en"] .hero h1 { max-width: 1080px; font-size: clamp(36px, 3vw, 46px); line-height: 1.18; letter-spacing: -.025em; }
html[lang="en"] .hero h1 > span { display: block; }
html[lang="en"] .hero h1 > span + span { margin-top: .06em; }
.hero h1::after { content: ""; display: block; width: 64px; height: 3px; background: var(--red); margin-top: 34px; }
.hero-lead { max-width: 700px; color: rgba(37,54,52,.78); line-height: 2; margin: 30px 0 0; font-size: clamp(15px, 1.2vw, 18px); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 38px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; padding: 0 26px; font-weight: 700; font-size: 14px; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--red); gap: 44px; }
.button.primary:hover { background: var(--red-dark); }
.hero .button.secondary { border: 1px solid rgba(79,126,112,.62); color: var(--red-dark); background: rgba(243,247,243,.58); }
.hero-meta { display: flex; gap: 0; margin-top: 52px; border-top: 1px solid var(--line); max-width: 800px; }
.hero-meta span { padding: 17px 28px 0 0; margin-right: 28px; border-right: 1px solid rgba(37,54,52,.18); color: rgba(37,54,52,.68); font-size: 12px; line-height: 1.6; }
.hero-meta span:last-child { border: 0; }
.hero-meta b { display: block; color: var(--ink); font-size: 10px; letter-spacing: .1em; }
.visual-caption { position: absolute; bottom: 34px; left: 36px; right: 36px; display: flex; justify-content: space-between; color: rgba(37,54,52,.48); font-size: 9px; letter-spacing: .18em; }
.hero-note { position: relative; z-index: 2; margin: 0; padding: 14px clamp(32px, 7vw, 112px); background: rgba(243,247,243,.92); border-top: 1px solid rgba(48,69,63,.12); color: rgba(48,69,63,.7); font-size: 11px; line-height: 1.65; }
.hero-copy > * { animation: heroReveal .8s both; }
.hero-copy > *:nth-child(2) { animation-delay: .08s; }
.hero-copy > *:nth-child(3) { animation-delay: .16s; }
.hero-copy > *:nth-child(4) { animation-delay: .24s; }
.hero-copy > *:nth-child(5) { animation-delay: .32s; }

.trust-strip { background: #fff; display: grid; grid-template-columns: 220px 1fr; align-items: center; padding: 26px clamp(32px, 7vw, 112px); border-bottom: 1px solid var(--line); }
.trust-strip p { color: var(--red); margin: 0; font-weight: 800; font-size: 12px; letter-spacing: .12em; }
.trust-strip div { display: flex; justify-content: space-between; gap: 18px; }
.trust-strip div span { font-size: 12px; color: #5c6880; white-space: nowrap; }
.trust-strip div span::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--red); margin: 0 9px 2px 0; }

.section { padding: clamp(84px, 10vw, 150px) clamp(28px, 7vw, 112px); }
.section-index { display: flex; align-items: center; gap: 18px; }
.section-index::after { content: ""; height: 1px; width: 58px; background: currentColor; opacity: .5; }
.section-index span { color: var(--muted); }
.section-index.light { color: var(--red-dark); }
.section-index.light span { color: rgba(48,69,63,.55); }
.section h2, .focus h2, .documents h2, .contact h2 { font-size: clamp(32px, 3.7vw, 56px); }
.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 130px); background: #fff; }
.about-body .lead { font-family: "Songti SC", "STSong", serif; font-size: clamp(19px, 1.7vw, 25px); line-height: 1.9; margin: 5px 0 55px; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.about-grid > div { padding: 28px 26px 8px 0; margin-right: 26px; border-right: 1px solid var(--line); }
.about-grid > div:last-child { border: 0; }
.about-grid b { display: block; color: var(--red); font-size: 11px; letter-spacing: .15em; }
.about-grid span { display: block; font-family: "Songti SC", "STSong", "Yu Mincho", serif; font-size: 21px; font-weight: 700; margin: 7px 0 10px; }
.about-grid p { color: #657087; font-size: 13px; margin: 0; }
.boundary { margin: 50px 0 0; padding: 18px 22px; background: var(--paper); font-size: 13px; color: #59657b; border-left: 3px solid var(--red); }
.boundary span { color: var(--red); font-weight: 800; margin-right: 18px; }

.image-showcase { padding: 0 clamp(28px, 7vw, 112px) clamp(84px, 10vw, 150px); background: #fff; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px, 3vw, 44px); }
.image-showcase article { background: var(--paper); }
.showcase-image { aspect-ratio: 16 / 10; overflow: hidden; }
.showcase-image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.image-showcase article:hover img { transform: scale(1.025); }
.image-showcase article > div:last-child { padding: 28px 30px 34px; }
.image-showcase span { color: var(--red); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.image-showcase h3 { font-family: "Songti SC", serif; font-size: clamp(21px, 1.8vw, 28px); margin: 9px 0 12px; }
.image-showcase p { color: #667187; font-size: 13px; margin: 0; }

.services { background: var(--paper); }
.section-heading.compact { max-width: 860px; margin-bottom: 58px; }
.section-heading.compact > p:last-child { color: #657087; margin: 24px 0 0; max-width: 720px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { background: rgba(255,255,255,.5); min-height: 540px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s, transform .25s, box-shadow .25s; display: flex; flex-direction: column; overflow: hidden; }
.service-card:hover { background: #fff; transform: translateY(-5px); box-shadow: 0 18px 50px rgba(14,29,57,.08); z-index: 1; }
.service-image { aspect-ratio: 3 / 2; overflow: hidden; background: var(--soft); }
.service-image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .65s cubic-bezier(.22,1,.36,1), filter .35s; }
.service-card:hover .service-image img { transform: scale(1.035); filter: saturate(.95) contrast(1.02); }
.service-card-body { flex: 1; padding: 30px 32px 32px; display: flex; flex-direction: column; }
.service-top { display: flex; justify-content: space-between; color: var(--red); font-size: 11px; font-weight: 800; }
.service-top i { font-style: normal; font-size: 16px; }
.service-card h3 { font-family: "Songti SC", serif; font-size: 25px; margin: 30px 0 16px; }
.service-card p { color: #647087; font-size: 14px; margin: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 28px; }
.tags span { border: 1px solid var(--line); border-radius: 20px; padding: 3px 10px; font-size: 10px; color: #59667d; }
.service-detail-link { margin-top: auto; padding-top: 26px; color: var(--red); font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: space-between; }
.service-details { margin-top: clamp(64px, 8vw, 110px); border-top: 1px solid var(--line); }
.service-details-intro { padding: 44px 0 34px; display: grid; grid-template-columns: 160px 1fr 1fr; gap: 28px; align-items: end; }
.service-details-intro > span { color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.service-details-intro h3 { margin: 0; font-family: "Songti SC", "Yu Mincho", serif; font-size: clamp(26px, 3vw, 40px); }
.service-details-intro p { color: var(--muted); margin: 0; font-size: 13px; }
.service-details details { border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.service-details details:last-child { border-bottom: 1px solid var(--line); }
.service-details summary { list-style: none; cursor: pointer; min-height: 82px; padding: 20px 4px; display: grid; grid-template-columns: 58px 1fr 28px; align-items: center; gap: 18px; }
.service-details summary::-webkit-details-marker { display: none; }
.service-details summary > span { color: var(--red); font-size: 11px; font-weight: 800; }
.service-details summary b { font-family: "Songti SC", "Yu Mincho", serif; font-size: 22px; }
.service-details summary i { width: 18px; height: 18px; position: relative; }
.service-details summary i::before, .service-details summary i::after { content: ""; position: absolute; background: var(--red); transition: transform .2s; }
.service-details summary i::before { width: 18px; height: 1px; top: 8px; left: 0; }
.service-details summary i::after { width: 1px; height: 18px; top: 0; left: 8px; }
.service-details details[open] summary i::after { transform: rotate(90deg); }
.service-detail-body { padding: 0 0 46px 76px; }
.service-details details[open] .service-detail-body, .faq details[open] > p { animation: detailReveal .34s ease-out both; }
.service-detail-lead { max-width: 900px; margin: 0 0 30px; font-size: 16px; line-height: 1.9; }
.service-detail-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.service-detail-groups section { background: #fff; border-top: 3px solid var(--navy); padding: 24px; }
.service-detail-groups h4 { margin: 0 0 14px; font-size: 14px; }
.service-detail-groups ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.service-detail-groups li { position: relative; padding-left: 15px; color: #647087; font-size: 12px; line-height: 1.7; }
.service-detail-groups li::before { content: ""; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--red); left: 0; top: .72em; }
.service-detail-note { margin: 22px 0 0; padding: 18px 20px; background: rgba(31,102,95,.07); color: #596b67; font-size: 12px; line-height: 1.8; }
.service-detail-note b { color: var(--red); margin-right: 12px; }

.focus { display: grid; grid-template-columns: 1fr 1fr; background: var(--navy); color: var(--ink); }
.focus-copy { padding: clamp(80px, 9vw, 145px) clamp(32px, 7vw, 112px); position: relative; overflow: hidden; }
.focus-copy::before { content: ""; position: absolute; width: 560px; aspect-ratio: 1; border: 1px solid rgba(48,69,63,.09); border-radius: 50%; right: -280px; top: -130px; box-shadow: 0 0 0 90px rgba(48,69,63,.025), 0 0 0 180px rgba(48,69,63,.016); }
.focus-copy > * { position: relative; z-index: 1; }
.focus-copy > p:not(.section-index) { color: rgba(48,69,63,.74); max-width: 600px; margin: 30px 0; }
.focus-copy a { display: inline-flex; align-items: center; gap: 60px; border-bottom: 1px solid rgba(48,69,63,.4); padding: 12px 0; font-weight: 700; font-size: 14px; }
.focus-list { background: #aecabd; padding: clamp(80px, 9vw, 145px) clamp(32px, 6vw, 90px); }
.focus-list > div { padding: 0 0 36px; margin: 0 0 38px; border-bottom: 1px solid rgba(48,69,63,.18); }
.focus-list span { color: var(--red-dark); font-size: 10px; letter-spacing: .2em; font-weight: 800; }
.focus-list h3 { font-family: "Songti SC", serif; font-size: 25px; margin: 10px 0; }
.focus-list div p { margin: 0; color: rgba(48,69,63,.74); font-size: 14px; }
.focus-warning { border-left: 3px solid var(--red-dark); padding: 8px 0 8px 18px; color: rgba(48,69,63,.82); font-size: 12px; }

.flow { background: #fff; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.timeline li { padding: 28px; min-height: 230px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.timeline li > span { color: var(--red); font-weight: 800; font-size: 11px; }
.timeline h3 { font-family: "Songti SC", serif; font-size: 20px; margin: 55px 0 10px; }
.timeline p { color: #697489; font-size: 12px; margin: 0; }

.documents { padding: clamp(84px, 10vw, 150px) clamp(28px, 7vw, 112px); display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(60px, 9vw, 150px); background: #dce9e2; color: var(--ink); }
.documents > div > p:last-child { color: rgba(48,69,63,.7); max-width: 440px; margin-top: 28px; }
.documents ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(48,69,63,.18); }
.documents li { min-height: 88px; padding: 24px 12px; border-bottom: 1px solid rgba(48,69,63,.18); color: rgba(48,69,63,.86); font-size: 13px; }
.documents li:nth-child(odd) { border-right: 1px solid rgba(48,69,63,.18); padding-right: 28px; }
.documents li:nth-child(even) { padding-left: 28px; }
.documents li span { display: block; color: var(--red); font-size: 9px; letter-spacing: .14em; }

.faq { display: grid; grid-template-columns: .55fr 1.45fr; gap: clamp(50px, 8vw, 130px); background: var(--paper); }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 88px; padding: 22px 50px 22px 0; display: flex; align-items: center; gap: 24px; cursor: pointer; font-family: "Songti SC", serif; font-size: 18px; font-weight: 700; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary > span { color: var(--red); font-family: sans-serif; font-size: 10px; letter-spacing: .12em; }
.faq summary i, .faq summary i::after { position: absolute; right: 7px; width: 16px; height: 1px; background: var(--ink); content: ""; transition: transform .2s; }
.faq summary i::after { right: 0; transform: rotate(90deg); }
.faq details[open] summary i::after { transform: rotate(0); }
.faq details > p { margin: 0; padding: 0 50px 28px 55px; color: #657087; font-size: 14px; }

.contact { display: grid; grid-template-columns: .8fr 1.2fr; background: var(--deep); color: var(--ink); }
.contact-copy { padding: clamp(80px, 9vw, 145px) clamp(30px, 6vw, 95px) clamp(80px, 9vw, 145px) clamp(30px, 7vw, 112px); }
.contact-copy > p:not(.section-index) { color: rgba(48,69,63,.7); max-width: 530px; margin-top: 28px; }
.contact-methods { margin-top: 55px; border-top: 1px solid rgba(48,69,63,.16); }
.contact-methods > div { padding: 17px 0; border-bottom: 1px solid rgba(48,69,63,.16); display: flex; justify-content: space-between; align-items: center; }
.contact-methods span { color: rgba(48,69,63,.56); font-size: 9px; letter-spacing: .18em; }
.contact-methods b { font-size: 13px; color: rgba(48,69,63,.88); }
.contact-form { padding: clamp(64px, 7vw, 105px); background: #fff; color: var(--ink); display: grid; gap: 22px; }
.contact-form label { display: grid; gap: 8px; font-size: 12px; font-weight: 700; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid #c9cbd0; border-radius: 0; background: transparent; padding: 11px 2px; outline: none; color: var(--ink); font-size: 14px; }
.contact-form textarea { border: 1px solid #c9cbd0; padding: 13px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--red); }
.contact-form .consent { display: flex; align-items: flex-start; gap: 10px; color: #687389; font-weight: 400; line-height: 1.6; }
.contact-form .consent input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--red); }
.contact-form button { border: 0; background: var(--red); color: #fff; min-height: 58px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 800; transition: background .2s, transform .2s, box-shadow .2s; }
.contact-form button:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(31,102,95,.2); }
.form-note { color: #858d9c; font-size: 10px; margin: -4px 0 0; }
.form-trap { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.disclaimer { padding: 62px clamp(28px, 7vw, 112px); display: grid; grid-template-columns: .45fr 1.55fr; gap: 60px; background: #e9e6dc; border-bottom: 1px solid rgba(37,54,52,.18); }
.disclaimer h2 { font-family: "Songti SC", serif; font-size: 20px; margin: 0; }
.disclaimer div { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.disclaimer p { color: #697285; font-size: 10px; margin: 0; line-height: 1.9; }

footer { padding: 70px clamp(28px, 7vw, 112px) 26px; background: var(--paper); display: grid; grid-template-columns: 1fr 1fr .7fr; gap: 50px; }
.footer-brand { display: flex; align-items: center; gap: 15px; }
.footer-brand .mark { flex: 0 0 auto; color: #fff; font-size: 24px; }
.footer-brand > div { display: grid; align-content: center; line-height: 1.25; }
.footer-brand b { font-family: "Songti SC", serif; font-size: 21px; }
.footer-brand small { margin-top: 4px; color: var(--red-dark); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.footer-brand > div > span { margin-top: 8px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.footer-info p { margin: 0 0 8px; font-size: 12px; }
.footer-info p span { color: var(--muted); display: inline-block; width: 130px; font-size: 10px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; align-content: start; gap: 8px 26px; }
.footer-links a { font-size: 11px; color: #59667c; }
.copyright { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 22px; display: flex; justify-content: space-between; color: #808898; font-size: 9px; }
.mobile-contact { display: none; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 35; width: 48px; height: 48px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; line-height: 1; box-shadow: 0 10px 28px rgba(22,73,68,.18); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .25s, visibility .25s, transform .25s, background .2s; }
.back-to-top span { font-size: 17px; margin-top: 7px; }
.back-to-top small { font-size: 7px; letter-spacing: .12em; margin-top: -4px; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--red); }

.motion-ready .reveal-item { opacity: 0; transform: translateY(24px); transition: opacity .65s ease var(--reveal-delay, 0ms), transform .65s cubic-bezier(.22,1,.36,1) var(--reveal-delay, 0ms); }
.motion-ready .reveal-item.in-view { opacity: 1; transform: translateY(0); }

@keyframes heroReveal { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroDrift { from { transform: scale(1.01); } to { transform: scale(1.055); } }
@keyframes detailReveal { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 761px) {
  html[lang="ja"] .hero-copy {
    width: min(1180px, 90vw);
    padding-left: clamp(38px, 5vw, 80px);
    padding-right: clamp(38px, 5vw, 80px);
  }
  html[lang="ja"] .hero h1 {
    max-width: none;
    font-size: clamp(34px, 3.65vw, 56px);
    letter-spacing: -.045em;
    white-space: nowrap;
  }
}

@media (max-width: 1100px) {
  .site-header nav { display: none; }
  :is(#about, #services, #flow, #faq, #contact) { scroll-margin-top: 140px; }
  .mobile-nav { height: 44px; padding: 0 18px; display: flex; align-items: center; gap: 20px; overflow-x: auto; background: rgba(243,247,243,.98); border-bottom: 1px solid var(--line); position: sticky; top: 86px; z-index: 29; scrollbar-width: none; }
  .mobile-nav::-webkit-scrollbar { display: none; }
  .mobile-nav a { flex: 0 0 auto; min-height: 44px; display: inline-flex; align-items: center; font-size: 11px; font-weight: 700; color: #5c6880; white-space: nowrap; }
  .mobile-nav a.is-active { color: var(--red); }
  .hero-copy { padding-left: 50px; padding-right: 50px; }
  .hero h1 { font-size: 47px; }
  .trust-strip { grid-template-columns: 1fr; gap: 10px; }
  .trust-strip div { justify-content: flex-start; flex-wrap: wrap; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .contact-form { padding: 60px 45px; }
}

@media (max-width: 760px) {
  .mobile-only { display: initial; }
  :is(#about, #services, #flow, #faq, #contact) { scroll-margin-top: 122px; }
  body { padding-bottom: 66px; }
  .site-header { height: 68px; padding: 0 18px; gap: 10px; }
  .brand { gap: 9px; }
  .mark { width: 38px; font-size: 20px; }
  .brand strong { font-size: 16px; }
  .brand small { font-size: 8px; }
  .language-switches { gap: 4px; }
  .lang-switch { min-width: 34px; padding: 7px 7px; font-size: 10px; }
  .header-cta { display: none; }
  .mobile-nav { top: 68px; }
  .hero { min-height: calc(100svh - 112px); }
  .hero-copy { width: 100%; padding: 70px 22px 48px; }
  .hero-media-overlay { background: linear-gradient(90deg, rgba(243,247,243,.94), rgba(243,247,243,.72)), linear-gradient(0deg, rgba(243,247,243,.9), transparent 64%); }
  .hero-video-toggle { top: 16px; right: 18px; min-height: 36px; padding: 0 12px; font-size: 10px; }
  .visual-caption { display: none; }
  .eyebrow { line-height: 1.6; margin-bottom: 22px; font-size: 9px; }
  .eyebrow span { display: block; border: 0; padding: 0; margin: 0 0 2px; }
  .hero h1 { font-size: clamp(35px, 10.4vw, 46px); line-height: 1.32; }
  html[lang="ja"] .hero h1 { font-size: clamp(29px, 8.2vw, 34px); line-height: 1.48; letter-spacing: -.045em; }
  html[lang="en"] .hero-copy { padding-left: 20px; padding-right: 20px; }
  html[lang="en"] .hero h1 { max-width: 100%; font-size: clamp(27.5px, 7.5vw, 30px); line-height: 1.18; letter-spacing: -.018em; }
  html[lang="en"] .hero-lead { font-size: 13.5px; line-height: 1.68; max-width: 48ch; }
  html[lang="en"] :is(.section h2, .focus h2, .documents h2, .contact h2) { font-size: clamp(29px, 8vw, 32px); line-height: 1.22; }
  html[lang="en"] .about-body .lead { font-size: 17px; line-height: 1.65; }
  html[lang="en"] .service-card h3 { font-size: 22px; line-height: 1.28; }
  html[lang="en"] :is(.section-heading.compact > p:last-child, .service-card p, .image-showcase p, .focus-list p, .timeline p, .faq details > p) { line-height: 1.65; }
  .hero h1::after { margin-top: 26px; }
  .hero-lead { font-size: 14px; line-height: 1.9; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .button.primary { justify-content: space-between; }
  .hero-meta { display: grid; grid-template-columns: 1fr 1fr; margin-top: 38px; }
  .hero-meta span { margin: 0; padding: 14px 12px 0 0; border: 0; }
  .hero-note { padding: 15px 22px; font-size: 9px; }
  .trust-strip { padding: 22px; }
  .trust-strip div { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
  .trust-strip div span { white-space: normal; font-size: 10px; }
  .section { padding: 76px 22px; }
  .about, .faq { grid-template-columns: 1fr; gap: 42px; }
  .section h2, .focus h2, .documents h2, .contact h2 { font-size: 36px; }
  .about-body .lead { font-size: 19px; margin-bottom: 38px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid > div { margin: 0; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .about-grid > div:last-child { border-bottom: 0; }
  .boundary { margin-top: 30px; }
  .image-showcase { padding: 0 22px 76px; grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card-body { padding: 26px 24px 28px; }
  .services .section-heading h2 { font-size: 32px; }
  .service-card h3 { margin-top: 24px; }
  .service-detail-link { margin-top: 24px; }
  .service-details-intro { grid-template-columns: 1fr; gap: 12px; align-items: start; }
  .service-details summary { min-height: 72px; grid-template-columns: 38px 1fr 22px; gap: 10px; }
  .service-details summary b { font-size: 18px; }
  .service-detail-body { padding: 0 0 38px; }
  .service-details details { scroll-margin-top: 122px; }
  .service-detail-groups { grid-template-columns: 1fr; }
  .focus { grid-template-columns: 1fr; }
  .focus-copy, .focus-list { padding: 74px 22px; }
  .focus-list { padding-top: 58px; }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { min-height: auto; display: grid; grid-template-columns: 42px 1fr; padding: 24px; gap: 10px; }
  .timeline h3 { margin: 0 0 7px; }
  .documents { padding: 76px 22px; grid-template-columns: 1fr; gap: 44px; }
  .documents ul { grid-template-columns: 1fr; }
  .documents li:nth-child(odd) { border-right: 0; padding-right: 12px; }
  .documents li:nth-child(even) { padding-left: 12px; }
  .faq summary { font-size: 16px; gap: 12px; padding-right: 36px; }
  .faq details > p { padding-left: 38px; padding-right: 20px; }
  .contact { grid-template-columns: 1fr; }
  .contact-copy { padding: 76px 22px 54px; }
  .contact-methods > div { gap: 14px; }
  .contact-methods span { flex: 0 0 88px; }
  .contact-methods b { min-width: 0; text-align: right; line-height: 1.6; overflow-wrap: anywhere; }
  .contact-form { padding: 50px 22px; }
  .field-row { grid-template-columns: 1fr; }
  .disclaimer { padding: 52px 22px; grid-template-columns: 1fr; gap: 24px; }
  .disclaimer div { grid-template-columns: 1fr; gap: 18px; }
  footer { padding: 54px 22px 24px; grid-template-columns: 1fr; gap: 30px; }
  .footer-links { border-top: 1px solid var(--line); padding-top: 24px; }
  .copyright { display: grid; gap: 5px; }
  .mobile-contact { display: flex; position: fixed; z-index: 50; left: 0; bottom: 0; width: 100%; height: 66px; padding: 0 22px; align-items: center; justify-content: space-between; background: var(--red); color: #fff; font-weight: 800; box-shadow: 0 -8px 30px rgba(22,73,68,.16); }
  .back-to-top { right: 16px; bottom: 82px; width: 44px; height: 44px; }
}

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