:root {
  color-scheme: dark;
  --ink: #f3f5fb;
  --muted: #aeb8ce;
  --night: #080b21;
  --night-2: #10143a;
  --panel: rgba(24, 30, 68, .72);
  --line: rgba(182, 203, 232, .18);
  --cyan: #93e5ec;
  --moon: #fff2bd;
  --violet: #9189df;
  --shadow: 0 28px 80px rgba(0, 0, 0, .28);
  --radius: 24px;
  --header-h: 84px;
  --page: min(1180px, calc(100% - 48px));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 8%, rgba(118, 111, 214, .16), transparent 28rem),
    radial-gradient(circle at 5% 45%, rgba(65, 171, 187, .08), transparent 30rem),
    var(--night);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: .14;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  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: 12px; left: 16px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--night);
  background: var(--cyan);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 33, .78);
  backdrop-filter: blur(18px) saturate(130%);
}

.header-inner {
  width: var(--page);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: inline-flex; align-items: center; gap: 13px; flex: none; }
.brand img, .footer-brand img { border-radius: 6px; box-shadow: 0 0 0 1px var(--line); }
.brand span { display: grid; line-height: 1.2; }
.brand strong { font: 700 .78rem/1.2 ui-sans-serif, sans-serif; letter-spacing: .15em; }
.brand small { margin-top: 5px; color: var(--cyan); font: 600 .62rem/1 ui-sans-serif, sans-serif; letter-spacing: .24em; }

.global-nav ul { display: flex; align-items: center; gap: clamp(22px, 3vw, 44px); margin: 0; padding: 0; list-style: none; }
.global-nav a { position: relative; color: #d5daea; font-size: .84rem; font-weight: 500; letter-spacing: .06em; }
.global-nav a::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 1px; content: ""; background: var(--cyan); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.global-nav a:hover::after, .global-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; }

main { padding-top: var(--header-h); }
.hero, .section, .site-footer { width: var(--page); margin-inline: auto; }

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  padding: clamp(70px, 10vw, 132px) 0 90px;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(430px, 1.12fr);
  align-items: center;
  gap: clamp(38px, 6vw, 88px);
}

.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-number, .service-index, .tag, .member-type {
  color: var(--cyan);
  font: 600 .7rem/1.2 "Manrope", sans-serif;
  letter-spacing: .22em;
}
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; }
.eyebrow::before { width: 34px; height: 1px; content: ""; background: var(--cyan); }

h1, h2 { font-weight: 500; letter-spacing: -.045em; line-height: 1.28; }
h1 { margin-bottom: 28px; font-size: clamp(2.5rem, 4.5vw, 4.4rem); }
h2 { margin-bottom: 0; font-size: clamp(2rem, 3.5vw, 3.35rem); }
.fixed-lines span{display:block;white-space:nowrap}
h3 { margin-bottom: 10px; font-size: 1.2rem; line-height: 1.5; }
.hero-lead { max-width: 37rem; margin-bottom: 38px; color: var(--muted); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; }
.button { display: inline-flex; min-height: 54px; padding: 13px 25px; align-items: center; justify-content: center; border: 1px solid rgba(147,229,236,.42); border-radius: 999px; font-weight: 600; }
.button-primary { color: #0a1730; background: var(--cyan); box-shadow: 0 12px 34px rgba(76,190,205,.18); transition: transform .25s, box-shadow .25s; }
.button-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(76,190,205,.28); }
.text-link { color: var(--moon); font-weight: 600; border-bottom: 1px solid rgba(255,242,189,.38); }

.hero-art { position: relative; filter: drop-shadow(0 32px 55px rgba(0,0,0,.34)); }
.hero-art::before { position: absolute; inset: 8% 5%; z-index: -1; content: ""; border-radius: 50%; background: rgba(126,129,225,.2); filter: blur(60px); }
.hero-art svg { width: 100%; border: 1px solid rgba(198,210,240,.14); border-radius: 36px; }
.hero-note { position: absolute; right: 0; bottom: 30px; margin: 0; color: #8792ad; font-size: .72rem; letter-spacing: .13em; writing-mode: vertical-rl; }

.section { padding: clamp(95px, 13vw, 170px) 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(150px, .34fr) minmax(0, 1fr); column-gap: clamp(25px, 7vw, 110px); align-items: start; }
.section-heading .section-number { grid-row: 1 / span 2; padding-top: 14px; }
.section-heading > p:last-child:not(.section-number) { max-width: 34rem; margin: 28px 0 0; color: var(--muted); }
.section-number { margin-bottom: 0; }

.philosophy-body { margin: 70px 0 0 auto; max-width: 780px; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); color: #c9cede; }
.philosophy-body p:first-child::first-letter { float: left; margin: .08em .15em 0 0; color: var(--moon); font-size: 3.7rem; line-height: .8; }

.service-grid, .example-grid, .team-grid { margin-top: 76px; display: grid; gap: 18px; }
.service-grid { grid-template-columns: repeat(2, 1fr); }
.service-grid article, .example-grid article {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(27,34,76,.78), rgba(12,16,44,.72));
  box-shadow: inset 0 1px rgba(255,255,255,.025);
  transition: border-color .3s, transform .3s, background .3s;
}
.service-grid article:hover, .example-grid article:hover { transform: translateY(-5px); border-color: rgba(147,229,236,.42); background: linear-gradient(145deg, rgba(31,42,87,.9), rgba(12,16,44,.78)); }
.service-grid article::after { position: absolute; right: -25px; bottom: -54px; color: rgba(255,255,255,.025); content: attr(data-index); font: 700 9rem/1 "Manrope", sans-serif; }
.service-index { margin-bottom: 62px; }
.service-grid h3, .example-grid h3 { font-size: 1.35rem; }
.service-grid article > p:last-child, .example-grid article > p:last-child { margin: 0; color: var(--muted); font-size: .92rem; }

.workflow { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(45px, 8vw, 130px); }
.workflow .section-heading { display: block; }
.workflow .section-number { display: block; margin-bottom: 28px; }
.workflow-list { margin: 0; padding: 0; list-style: none; }
.workflow-list li { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.workflow-list li:first-child { border-top: 1px solid var(--line); }
.workflow-list > li > span { color: var(--violet); font: 600 .78rem/1.8 "Manrope", sans-serif; letter-spacing: .15em; }
.workflow-list h3 { margin-bottom: 5px; }
.workflow-list p { margin: 0; color: var(--muted); font-size: .9rem; }

.example-grid { grid-template-columns: repeat(3, 1fr); }
.tag { display: inline-block; margin-bottom: 42px; padding: 7px 10px; border: 1px solid rgba(147,229,236,.24); border-radius: 999px; background: rgba(147,229,236,.05); font-size: .6rem; }
.caption { margin: 22px 0 0; color: #7f899f; font-size: .72rem; }

.team-grid { grid-template-columns: repeat(5, 1fr); }
.member { min-width: 0; display: grid; grid-template-columns: 1fr; gap: 18px; align-items: start; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(17,22,55,.6); }
.member img { width: min(100%, 160px); margin-inline:auto; aspect-ratio: 1; object-fit: cover; border-radius: calc(var(--radius) - 8px); filter: saturate(.82) contrast(1.04); }
.member-type { margin-bottom: 18px; font-size: .61rem; }
.member h3 { margin-bottom: 2px; font-size: clamp(1.15rem, 2vw, 1.55rem); }
.member .role { margin-bottom: 17px; color: var(--moon); font-size: .78rem; }
.member div > p:last-child { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.65; }

.contact { position: relative; margin-bottom: clamp(70px, 9vw, 120px); padding-inline: clamp(28px, 6vw, 78px); border: 1px solid rgba(147,229,236,.24); border-radius: 32px; background: radial-gradient(circle at 90% 10%, rgba(139,132,222,.22), transparent 38%), linear-gradient(135deg, rgba(24,34,76,.94), rgba(12,16,43,.92)); box-shadow: var(--shadow); }
.contact > .section-number { margin-bottom: 37px; }
.contact-inner { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; }
.contact-inner > div > p { max-width: 38rem; margin: 28px 0 0; color: var(--muted); }
.contact-mail { min-width: 270px; padding: 19px 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-bottom: 1px solid var(--cyan); color: var(--moon); font: 600 .91rem/1.5 "Manrope", sans-serif; }
.contact-mail span:first-child { color: var(--cyan); font-size: .63rem; letter-spacing: .18em; }

.site-footer { padding: 46px 0 38px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; color: #8993aa; }
.footer-brand { display: flex; align-items: center; gap: 14px; color: #d5daea; }
.footer-brand p { margin: 0; line-height: 1.45; }
.footer-brand strong { font-size: .85rem; }
.footer-brand small { color: #7f899f; font: 500 .6rem/1 "Manrope", sans-serif; letter-spacing: .13em; }
.site-footer nav { display: flex; gap: 28px; font-size: .76rem; }
.site-footer nav a:hover { color: var(--cyan); }
.site-footer > p { grid-column: 1 / -1; margin: 12px 0 0; font: 400 .66rem/1 "Manrope", sans-serif; letter-spacing: .08em; }

@media (max-width: 900px) {
  :root { --header-h: 74px; --page: min(100% - 36px, 720px); }
  .hero { grid-template-columns: 1fr; padding-top: 76px; }
  .hero-copy { max-width: 650px; }
  .hero-art { width: min(100%, 650px); margin-left: auto; }
  .hero-note { right: auto; bottom: 34px; left: 0; writing-mode: initial; }
  .workflow { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-mail { width: min(100%, 420px); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { width: 46px; height: 46px; padding: 12px; display: grid; align-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 50%; color: inherit; background: rgba(255,255,255,.03); cursor: pointer; }
  .nav-toggle > span[aria-hidden] { width: 100%; height: 1px; background: currentColor; transition: transform .25s, opacity .25s; }
  .nav-toggle[aria-expanded="true"] > span[aria-hidden]:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span[aria-hidden]:nth-of-type(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] > span[aria-hidden]:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }
  .global-nav { position: fixed; top: var(--header-h); right: 0; left: 0; padding: 18px; border-bottom: 1px solid var(--line); background: rgba(8,11,33,.97); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity .2s, transform .2s, visibility .2s; }
  .nav-toggle[aria-expanded="true"] + .global-nav { visibility: visible; opacity: 1; transform: none; }
  .global-nav ul { width: var(--page); margin-inline: auto; display: grid; gap: 0; }
  .global-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
}

@media (max-width: 680px) {
  :root { --page: calc(100% - 28px); --radius: 19px; }
  body { font-size: 15px; }
  .brand img { width: 46px; height: 46px; }
  .brand strong { font-size: .7rem; }
  .hero { min-height: auto; padding: 65px 0 90px; gap: 55px; }
  h1 { font-size: clamp(2.05rem, 9vw, 3.15rem); }
  h2 { font-size: clamp(1.75rem, 7.5vw, 2.45rem); }
  .hero-lead { line-height: 1.85; }
  .hero-art svg { border-radius: 22px; }
  .section { padding: 92px 0; }
  .section-heading { display: block; }
  .section-heading .section-number { margin-bottom: 24px; }
  .philosophy-body { margin-top: 45px; grid-template-columns: 1fr; gap: 15px; }
  .service-grid, .example-grid, .team-grid { margin-top: 48px; grid-template-columns: 1fr; }
  .service-index { margin-bottom: 38px; }
  .workflow-list li { grid-template-columns: 46px 1fr; gap: 14px; }
  .member { grid-template-columns: 34% 1fr; align-items:center; }
  .member img { width:100%; }
  .contact { width: calc(100% - 28px); padding: 65px 22px; border-radius: 24px; }
  .contact-mail { min-width: 0; font-size: .78rem; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { display: grid; gap: 12px; }
}

@media (max-width: 390px) {
  .brand span { display: none; }
  .member { grid-template-columns: 1fr; }
  .member img { max-height: 260px; }
  .contact-mail { align-items: flex-start; flex-wrap: wrap; overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}