/* =========================================================
   合同会社真夜中 — mayonaka.tech
   Design tokens / base / components
   ========================================================= */
:root {
  --c-bg: #0a0f1e;
  --c-bg-2: #0e1528;
  --c-surface: #131c33;
  --c-surface-2: #18233f;
  --c-line: rgba(200, 210, 240, .14);
  --c-line-strong: rgba(200, 210, 240, .28);
  --c-text: #e7eaf3;
  --c-text-muted: #a9b2c8;
  --c-text-faint: #8590aa;
  --c-moon: #f1d58a;
  --c-moon-deep: #d9b45a;
  --c-moon-soft: rgba(241, 213, 138, .12);
  --c-blue: #8fb4ff;
  --c-error: #ff9a9a;
  --c-ok: #9be3b8;

  --f-serif: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --f-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  --f-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --w-max: 1160px;
  --w-text: 720px;
  --gutter: clamp(16px, 4vw, 40px);
  --sec-y: clamp(72px, 11vw, 140px);
  --radius: 14px;
  --radius-s: 8px;
  --header-h: 68px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .02em;
  font-feature-settings: "palt" 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.45; }
p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--c-moon); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--c-moon); color: var(--c-bg); }

.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: absolute; left: 16px; top: -100px; z-index: 1000;
  background: var(--c-moon); color: var(--c-bg); padding: 10px 16px; border-radius: var(--radius-s);
  font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--w-max); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: calc(var(--w-text) + var(--gutter) * 2); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(10, 15, 30, .72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--c-line); background: rgba(10, 15, 30, .9); }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__ja { font-family: var(--f-serif); font-size: 17px; font-weight: 600; letter-spacing: .08em; }
.brand__en { font-size: 10.5px; letter-spacing: .28em; color: var(--c-text-faint); text-transform: uppercase; }

.gnav__list { display: flex; align-items: center; gap: 6px; }
.gnav__link {
  display: inline-block; padding: 8px 14px; font-size: 14.5px; text-decoration: none;
  color: var(--c-text-muted); border-radius: 999px; transition: color .2s, background .2s;
}
.gnav__link:hover { color: var(--c-text); background: rgba(255,255,255,.05); }
.gnav__link[aria-current="page"] { color: var(--c-text); }
.gnav__link[aria-current="page"]::after {
  content: ""; display: block; height: 1px; margin-top: 2px; background: var(--c-moon);
}
.gnav__cta { margin-left: 8px; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--c-line-strong); background: transparent;
  border-radius: 50%; cursor: pointer; position: relative;
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
  content: ""; position: absolute; left: 50%; width: 18px; height: 1.5px; background: var(--c-text);
  transform: translateX(-50%); transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle__bar { top: 50%; }
.nav-toggle__bar::before { top: -6px; }
.nav-toggle__bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .gnav {
    position: fixed; inset: var(--header-h) 0 0 0; background: var(--c-bg);
    padding: 24px var(--gutter) 40px; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .gnav.is-open { opacity: 1; visibility: visible; transform: none; }
  .gnav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .gnav__link { display: block; padding: 18px 4px; font-size: 18px; border-radius: 0; border-bottom: 1px solid var(--c-line); color: var(--c-text); }
  .gnav__link[aria-current="page"]::after { display: none; }
  .gnav__cta { margin: 28px 0 0; }
  .gnav__cta .btn { width: 100%; }
  body.nav-open { overflow: hidden; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 26px; border-radius: 999px;
  font-size: 15px; font-weight: 700; letter-spacing: .06em; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform .2s var(--ease), background .2s, box-shadow .2s, border-color .2s;
}
.btn--primary { background: var(--c-moon); color: #1a1406; box-shadow: 0 0 0 0 rgba(241,213,138,.0); }
.btn--primary:hover { background: #f6e0a3; box-shadow: 0 8px 30px -8px rgba(241,213,138,.55); transform: translateY(-1px); }
.btn--ghost { border-color: var(--c-line-strong); color: var(--c-text); background: transparent; }
.btn--ghost:hover { border-color: var(--c-text-muted); background: rgba(255,255,255,.04); }
.btn--sm { min-height: 40px; padding: 8px 18px; font-size: 14px; }
.btn--lg { min-height: 56px; padding: 14px 34px; font-size: 16px; }
.btn__arrow { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) { .btn, .btn__arrow { transition: none; } .btn:hover { transform: none; } }

.text-link {
  color: var(--c-moon); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px;
}
.text-link:hover { text-decoration-thickness: 2px; }

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(92vh, 860px);
  display: flex; align-items: center;
  padding-block: clamp(80px, 14vw, 160px) clamp(72px, 10vw, 120px);
  background:
    radial-gradient(1200px 600px at 78% -10%, rgba(80, 110, 200, .22), transparent 60%),
    radial-gradient(800px 500px at 10% 110%, rgba(60, 50, 140, .25), transparent 60%),
    linear-gradient(180deg, #070b17 0%, var(--c-bg) 70%);
}
.hero__sky { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__sky svg { width: 100%; height: 100%; }
.hero__moon {
  position: absolute; z-index: -1; right: clamp(-60px, 6vw, 120px); top: clamp(60px, 10vw, 120px);
  width: clamp(180px, 30vw, 380px); aspect-ratio: 1; pointer-events: none;
}
.hero__moon::before {
  content: ""; position: absolute; inset: -40%;
  background: radial-gradient(circle, rgba(241,213,138,.18) 0%, rgba(241,213,138,.05) 35%, transparent 60%);
}
.hero__inner { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: .22em; color: var(--c-moon);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.hero__title {
  margin-top: 22px;
  font-family: var(--f-serif); font-weight: 600;
  font-size: clamp(36px, 7.2vw, 80px); line-height: 1.3; letter-spacing: .06em;
}
.hero__title .accent { color: var(--c-moon); }
.hero__lead {
  margin-top: 28px; max-width: 36em;
  font-size: clamp(15.5px, 1.6vw, 18px); color: var(--c-text-muted); line-height: 2;
}
.hero__lead strong { color: var(--c-text); font-weight: 600; }
.hero__actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__meta {
  margin-top: 56px; display: flex; flex-wrap: wrap; gap: 10px 28px;
  font-size: 13px; color: var(--c-text-faint); letter-spacing: .06em;
}
.hero__meta li { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--c-moon-deep); }
.scroll-cue {
  position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .3em; color: var(--c-text-faint); text-decoration: none;
}
.scroll-cue::after { content: ""; width: 1px; height: 40px; background: linear-gradient(var(--c-text-faint), transparent); }

/* hero media (Gemini/Veo assets). Hidden until the poster image loads; SVG moon is the fallback */
.hero__media { position: absolute; inset: 0; z-index: -2; opacity: 0; transition: opacity .8s var(--ease); background: var(--c-bg); }
.hero.has-media .hero__media { opacity: 1; }
.hero.has-media .hero__sky, .hero.has-media .hero__moon, .hero.has-media .shooting-star { display: none; }
.hero__media img, .hero__video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
}
.hero__video { opacity: 0; transition: opacity 1.2s var(--ease); }
.hero__video.is-playing { opacity: 1; }
.hero__media::after { /* legibility scrim on the copy side */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,15,30,.88) 0%, rgba(10,15,30,.62) 38%, rgba(10,15,30,.12) 70%, rgba(10,15,30,0) 100%),
    linear-gradient(180deg, rgba(10,15,30,0) 65%, var(--c-bg) 100%);
}
@media (max-width: 760px) {
  .hero__media img, .hero__video { object-position: 50% 30%; }
  .hero__media::after {
    background: linear-gradient(180deg, rgba(10,15,30,.2) 0%, rgba(10,15,30,.55) 40%, rgba(10,15,30,.9) 72%, var(--c-bg) 100%);
  }
  .hero.has-media { align-items: flex-end; }
}
.hero__pause {
  position: absolute; right: var(--gutter); bottom: 24px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 14px 8px 12px;
  border-radius: 999px; border: 1px solid var(--c-line-strong); background: rgba(10,15,30,.6);
  color: var(--c-text-muted); font-size: 12.5px; cursor: pointer; backdrop-filter: blur(8px);
}
.hero__pause:hover { color: var(--c-text); border-color: var(--c-text-muted); }
.hero__pause-icon { width: 10px; height: 12px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }
.hero__pause[aria-pressed="true"] .hero__pause-icon { border: 0; border-left: 10px solid currentColor; border-top: 6px solid transparent; border-bottom: 6px solid transparent; width: 0; height: 0; }
@media (max-width: 560px) { .hero__pause-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } .hero__pause { padding: 8px 13px; } }

/* shooting star — plays once (< 5s), disabled with reduced motion */
.shooting-star {
  position: absolute; top: 14%; left: 20%; width: 140px; height: 1.5px; z-index: -1;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.9));
  transform: rotate(-18deg) translateX(0); opacity: 0;
  animation: shoot 1.6s 1.2s var(--ease) 1 forwards;
}
@keyframes shoot {
  0% { opacity: 0; transform: rotate(-18deg) translateX(0); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: rotate(-18deg) translateX(420px); }
}
@media (prefers-reduced-motion: reduce) { .shooting-star { display: none; } }

/* ---------- page hero (sub pages) ---------- */
.page-hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding-block: clamp(64px, 10vw, 120px) clamp(48px, 7vw, 80px);
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(80, 110, 200, .2), transparent 60%),
    linear-gradient(180deg, #070b17, var(--c-bg));
  border-bottom: 1px solid var(--c-line);
}
.page-hero__title {
  margin-top: 16px; font-family: var(--f-serif); font-size: clamp(30px, 5vw, 52px); letter-spacing: .06em;
}
.page-hero__lead { margin-top: 20px; max-width: 40em; color: var(--c-text-muted); }

.breadcrumb { font-size: 13px; color: var(--c-text-faint); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; }
.breadcrumb li + li::before { content: "/"; margin: 0 8px; opacity: .6; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--c-text); text-decoration: underline; }

/* ---------- sections ---------- */
.section { padding-block: var(--sec-y); position: relative; }
.section--alt { background: var(--c-bg-2); border-block: 1px solid var(--c-line); }
.section__head { margin-bottom: clamp(40px, 6vw, 72px); max-width: 760px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .eyebrow { justify-content: center; }
.section__title {
  margin-top: 14px; font-family: var(--f-serif); font-size: clamp(26px, 4vw, 42px); letter-spacing: .05em;
}
.section__desc { margin-top: 18px; color: var(--c-text-muted); }

/* ---------- problems ---------- */
.problems { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.problem {
  padding: 26px 24px; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent);
}
.problem__q { font-family: var(--f-serif); font-size: 17px; line-height: 1.7; }
.problem__q::before { content: "“"; display: block; font-size: 36px; line-height: .6; color: var(--c-moon); margin-bottom: 10px; }
.problems-answer {
  margin-top: 40px; padding: 28px clamp(20px, 4vw, 36px);
  border-left: 2px solid var(--c-moon); background: var(--c-moon-soft); border-radius: 0 var(--radius) var(--radius) 0;
}
.problems-answer p { font-size: clamp(15.5px, 1.6vw, 17px); }
.problems-answer strong { color: var(--c-moon); font-weight: 700; }

/* ---------- service cards ---------- */
.services { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.service-card {
  grid-column: span 4; position: relative; display: flex; flex-direction: column;
  padding: 32px 28px 30px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-line);
  transition: border-color .25s, transform .25s var(--ease), background .25s;
}
.service-card:hover { border-color: rgba(241,213,138,.4); background: var(--c-surface-2); }
.service-card--wide { grid-column: span 6; }
.service-card__num { font-family: var(--f-serif); font-size: 14px; color: var(--c-moon); letter-spacing: .14em; }
.service-card__icon { width: 40px; height: 40px; margin: 18px 0 16px; color: var(--c-moon); }
.service-card__title { font-size: 19px; letter-spacing: .04em; }
.service-card__text { margin-top: 12px; color: var(--c-text-muted); font-size: 15px; line-height: 1.85; }
.service-card__tags { margin-top: auto; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block; padding: 3px 10px; font-size: 12px; border-radius: 999px;
  border: 1px solid var(--c-line-strong); color: var(--c-text-muted); line-height: 1.6;
}
@media (max-width: 960px) { .service-card, .service-card--wide { grid-column: span 6; } }
@media (max-width: 620px) { .service-card, .service-card--wide { grid-column: span 12; } }

.section__more { margin-top: 40px; display: flex; justify-content: center; }

/* ---------- process / timeline ---------- */
.process { counter-reset: step; display: grid; gap: 0; position: relative; }
.process__item {
  display: grid; grid-template-columns: 88px 1fr; gap: 24px; padding: 28px 0;
  border-top: 1px solid var(--c-line);
}
.process__item:last-child { border-bottom: 1px solid var(--c-line); }
.process__num {
  font-family: var(--f-serif); font-size: 15px; color: var(--c-moon); letter-spacing: .14em; padding-top: 4px;
}
.process__num span { display: block; font-size: 34px; line-height: 1.1; letter-spacing: .02em; color: var(--c-text); }
.process__title { font-size: 19px; letter-spacing: .04em; }
.process__text { margin-top: 8px; color: var(--c-text-muted); font-size: 15px; }
.process__out { margin-top: 12px; font-size: 13.5px; color: var(--c-text-faint); }
.process__out b { color: var(--c-text-muted); font-weight: 600; margin-right: 6px; }
@media (min-width: 900px) {
  .process--horizontal { grid-template-columns: repeat(5, 1fr); gap: 0; }
  .process--horizontal .process__item {
    grid-template-columns: 1fr; gap: 14px; padding: 0 22px 0 0; border: 0;
  }
  .process--horizontal .process__item:last-child { border: 0; }
  .process--horizontal .process__num { border-top: 1px solid var(--c-line-strong); padding-top: 18px; position: relative; }
  .process--horizontal .process__num::before {
    content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--c-moon);
    box-shadow: 0 0 12px rgba(241,213,138,.7);
  }
}

/* ---------- reasons ---------- */
.reasons { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(28px, 4vw, 48px); }
.reason__head { display: flex; align-items: baseline; gap: 14px; }
.reason__num { font-family: var(--f-serif); font-size: 44px; line-height: 1; color: var(--c-moon); }
.reason__title { font-size: 19px; letter-spacing: .04em; }
.reason__text { margin-top: 14px; color: var(--c-text-muted); font-size: 15px; }

/* ---------- engagement plans ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.plan {
  padding: 30px 28px; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-surface);
  display: flex; flex-direction: column;
}
.plan--featured { border-color: rgba(241,213,138,.55); background: linear-gradient(180deg, rgba(241,213,138,.07), var(--c-surface) 40%); }
.plan__label { font-size: 12.5px; letter-spacing: .16em; color: var(--c-moon); }
.plan__title { margin-top: 8px; font-size: 21px; font-family: var(--f-serif); letter-spacing: .04em; }
.plan__for { margin-top: 10px; font-size: 14.5px; color: var(--c-text-muted); }
.plan__list { margin-top: 20px; display: grid; gap: 10px; font-size: 14.5px; }
.plan__list li { position: relative; padding-left: 22px; }
.plan__list li::before {
  content: ""; position: absolute; left: 2px; top: .75em; width: 10px; height: 5px;
  border-left: 1.5px solid var(--c-moon); border-bottom: 1.5px solid var(--c-moon); transform: translateY(-60%) rotate(-45deg);
}
.plan__note { margin-top: auto; padding-top: 22px; font-size: 13px; color: var(--c-text-faint); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--c-line); }
.faq__item { border-bottom: 1px solid var(--c-line); }
.faq__q {
  list-style: none; cursor: pointer; display: flex; gap: 16px; align-items: flex-start; justify-content: space-between;
  padding: 24px 4px; font-size: 16.5px; font-weight: 600; line-height: 1.7;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q-text { display: flex; gap: 14px; }
.faq__q-text::before { content: "Q"; font-family: var(--f-serif); color: var(--c-moon); font-size: 18px; line-height: 1.55; }
.faq__icon { flex: none; width: 22px; height: 22px; margin-top: 3px; position: relative; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: var(--c-text-muted);
  transform: translate(-50%, -50%); transition: transform .25s var(--ease);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item[open] .faq__icon::after { transform: translate(-50%, -50%) rotate(0); }
.faq__a { padding: 0 4px 26px 32px; color: var(--c-text-muted); font-size: 15px; }
.faq__a p + p { margin-top: 10px; }

/* ---------- news ---------- */
.news { border-top: 1px solid var(--c-line); }
.news__item { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 18px 4px; border-bottom: 1px solid var(--c-line); font-size: 15px; }
.news__date { font-family: var(--f-serif); color: var(--c-text-faint); letter-spacing: .06em; }
@media (max-width: 560px) { .news__item { grid-template-columns: 1fr; gap: 2px; } }

/* ---------- company table ---------- */
.dl-table { border-top: 1px solid var(--c-line); }
.dl-table__row { display: grid; grid-template-columns: 200px 1fr; gap: 20px; padding: 22px 4px; border-bottom: 1px solid var(--c-line); }
.dl-table dt { color: var(--c-text-faint); font-size: 14.5px; letter-spacing: .06em; }
.dl-table dd { font-size: 15.5px; }
.dl-table dd small { display: block; color: var(--c-text-faint); font-size: 13px; margin-top: 4px; }
.dl-table ol { list-style: none; counter-reset: purpose; display: grid; gap: 6px; }
.dl-table ol li { counter-increment: purpose; padding-left: 2.6em; position: relative; }
.dl-table ol li::before { content: "(" counter(purpose) ")"; position: absolute; left: 0; color: var(--c-text-faint); }
@media (max-width: 640px) { .dl-table__row { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- company teaser / two col ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.message { font-family: var(--f-serif); font-size: clamp(16px, 1.7vw, 18px); line-height: 2.2; }
.message p + p { margin-top: 1.4em; }
.message__sign { margin-top: 2em; text-align: right; font-size: 15px; color: var(--c-text-muted); }
.message__sign strong { display: inline-block; margin-left: 12px; font-size: 20px; color: var(--c-text); letter-spacing: .2em; }

.name-story {
  padding: clamp(28px, 4vw, 44px); border-radius: var(--radius); border: 1px solid var(--c-line);
  background:
    radial-gradient(400px 200px at 100% 0%, rgba(241,213,138,.1), transparent 70%),
    var(--c-surface);
}
.name-story__title { font-family: var(--f-serif); font-size: 22px; letter-spacing: .06em; }
.name-story p { margin-top: 14px; color: var(--c-text-muted); font-size: 15px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  padding-block: clamp(72px, 10vw, 120px);
  background:
    radial-gradient(600px 300px at 50% 120%, rgba(241,213,138,.16), transparent 70%),
    linear-gradient(180deg, var(--c-bg), #070b17);
  text-align: center; border-top: 1px solid var(--c-line);
}
.cta-band__title { font-family: var(--f-serif); font-size: clamp(26px, 4.4vw, 44px); letter-spacing: .06em; }
.cta-band__text { margin: 18px auto 0; max-width: 34em; color: var(--c-text-muted); }
.cta-band__actions { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.cta-band__note { margin-top: 18px; font-size: 13px; color: var(--c-text-faint); }

/* ---------- prose ---------- */
.prose { max-width: var(--w-text); }
.prose h2 { font-family: var(--f-serif); font-size: clamp(22px, 3vw, 28px); margin-top: 2.4em; padding-top: 1.2em; border-top: 1px solid var(--c-line); letter-spacing: .04em; }
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 { font-size: 18px; margin-top: 1.8em; }
.prose p, .prose ul, .prose ol { margin-top: 1em; color: var(--c-text-muted); }
.prose ul li { position: relative; padding-left: 1.2em; }
.prose ul li::before { content: "・"; position: absolute; left: 0; color: var(--c-moon); }
.prose ol { list-style: decimal; padding-left: 1.6em; }
.prose a { color: var(--c-moon); }
.prose strong { color: var(--c-text); }

/* ---------- scope table (service page) ---------- */
.scope { width: 100%; border-collapse: collapse; font-size: 15px; }
.scope caption { text-align: left; color: var(--c-text-faint); font-size: 13px; padding-bottom: 12px; }
.scope th, .scope td { text-align: left; vertical-align: top; padding: 18px 16px; border-bottom: 1px solid var(--c-line); }
.scope thead th { font-size: 13px; color: var(--c-text-faint); font-weight: 600; letter-spacing: .08em; border-bottom-color: var(--c-line-strong); }
.scope tbody th { width: 24%; font-weight: 600; }
.scope td { color: var(--c-text-muted); }
@media (max-width: 720px) {
  .scope thead { display: none; }
  .scope tr { display: block; padding: 16px 0; border-bottom: 1px solid var(--c-line); }
  .scope th, .scope td { display: block; width: auto !important; padding: 4px 0; border: 0; }
  .scope tbody th { font-size: 16px; color: var(--c-text); }
  .scope td[data-label]::before { content: attr(data-label) "："; color: var(--c-text-faint); font-size: 13px; }
}

.summary-box {
  padding: 26px clamp(20px, 3vw, 32px); border-radius: var(--radius); border: 1px solid var(--c-line-strong);
  background: var(--c-surface);
}
.summary-box__title { font-size: 13px; letter-spacing: .18em; color: var(--c-moon); }
.summary-box dl { margin-top: 14px; display: grid; grid-template-columns: 120px 1fr; gap: 10px 20px; font-size: 15px; }
.summary-box dt { color: var(--c-text-faint); }
@media (max-width: 560px) { .summary-box dl { grid-template-columns: 1fr; gap: 0; } .summary-box dd { margin-bottom: 10px; } }

.deliverables { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.deliverable {
  padding: 18px 20px; border: 1px solid var(--c-line); border-radius: var(--radius-s); font-size: 15px;
  display: flex; gap: 12px; align-items: flex-start; background: rgba(255,255,255,.015);
}
.deliverable svg { flex: none; width: 20px; height: 20px; color: var(--c-moon); margin-top: 4px; }

/* ---------- form ---------- */
.form { display: grid; gap: 26px; }
.form__row { display: grid; gap: 8px; }
.form__label { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.badge {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 4px; letter-spacing: .06em;
}
.badge--req { background: var(--c-moon); color: #1a1406; }
.badge--opt { border: 1px solid var(--c-line-strong); color: var(--c-text-faint); }
.form__hint { font-size: 13px; color: var(--c-text-faint); }
.form__input, .form__select, .form__textarea {
  width: 100%; padding: 14px 16px; min-height: 52px; border-radius: var(--radius-s);
  background: var(--c-surface); border: 1px solid var(--c-line-strong); color: var(--c-text); font-size: 16px;
  transition: border-color .2s, box-shadow .2s;
}
.form__textarea { min-height: 200px; resize: vertical; line-height: 1.8; }
.form__select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--c-text-muted) 50%), linear-gradient(135deg, var(--c-text-muted) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px; }
.form__input::placeholder, .form__textarea::placeholder { color: #8590aa; }
.form__input:focus, .form__select:focus, .form__textarea:focus { outline: none; border-color: var(--c-moon); box-shadow: 0 0 0 3px rgba(241,213,138,.2); }
.form__input[aria-invalid="true"], .form__textarea[aria-invalid="true"], .form__select[aria-invalid="true"] { border-color: var(--c-error); }
.form__error { font-size: 13.5px; color: var(--c-error); }
.form__check { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; cursor: pointer; }
.form__check input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--c-moon); flex: none; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__submit { margin-top: 6px; }
.form__submit .btn { width: 100%; max-width: 360px; }
.alert { padding: 18px 22px; border-radius: var(--radius-s); font-size: 15px; }
.alert--error { border: 1px solid var(--c-error); background: rgba(255,154,154,.08); }
.alert--error ul { margin-top: 6px; list-style: disc; padding-left: 1.4em; }
.alert--ok { border: 1px solid var(--c-ok); background: rgba(155,227,184,.08); }

.contact-aside { display: grid; gap: 16px; align-content: start; }
.contact-aside .summary-box dl { grid-template-columns: 1fr; gap: 2px; }
.contact-steps { display: grid; gap: 12px; counter-reset: cstep; }
.contact-steps li { counter-increment: cstep; position: relative; padding-left: 40px; font-size: 14.5px; color: var(--c-text-muted); }
.contact-steps li::before {
  content: counter(cstep); position: absolute; left: 0; top: 2px; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--c-moon); color: var(--c-moon); display: grid; place-items: center; font-size: 13px; font-family: var(--f-serif);
}
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.site-footer { background: #070b17; border-top: 1px solid var(--c-line); padding-block: 64px 32px; font-size: 14px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr; gap: 32px; } }
.site-footer__about { color: var(--c-text-muted); }
.site-footer__about address { font-style: normal; margin-top: 16px; line-height: 1.8; }
.site-footer__heading { font-size: 12px; letter-spacing: .2em; color: var(--c-text-faint); margin-bottom: 14px; }
.site-footer__links { display: grid; gap: 8px; }
.site-footer__links a { text-decoration: none; color: var(--c-text-muted); }
.site-footer__links a:hover { color: var(--c-text); text-decoration: underline; }
.site-footer__bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--c-line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--c-text-faint); font-size: 12.5px;
}
.site-footer__time { font-family: var(--f-mono); letter-spacing: .08em; }

/* ---------- section media / works ---------- */
.split--media { align-items: center; }
.section-media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-line); aspect-ratio: 3 / 2; background: var(--c-surface); }
.section-media img, .work__media img { width: 100%; height: 100%; object-fit: cover; }
.works { display: grid; gap: 16px; }
.work {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border-radius: var(--radius);
  border: 1px solid var(--c-line); background: var(--c-surface); overflow: hidden;
}
.work__media { aspect-ratio: 4 / 3; background: var(--c-surface-2); }
.work__body { padding: clamp(24px, 4vw, 40px); }
.work:not(:has(.work__media)) { grid-template-columns: 1fr; }
.work__client { font-size: 13px; letter-spacing: .1em; color: var(--c-moon); }
.work__title { margin-top: 8px; font-family: var(--f-serif); font-size: clamp(20px, 2.4vw, 24px); letter-spacing: .04em; }
.work__meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 14.5px; }
.work__meta div { display: flex; gap: 10px; }
.work__meta dt { color: var(--c-text-faint); }
.work__label { margin-top: 20px; font-size: 13px; color: var(--c-text-faint); letter-spacing: .1em; }
.work .plan__list { margin-top: 10px; }
@media (max-width: 760px) { .work { grid-template-columns: 1fr; } }
/* business lines */
.biz { display: grid; gap: clamp(48px, 7vw, 88px); }
.biz__item { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.biz__num { font-family: var(--f-serif); font-size: 15px; letter-spacing: .14em; color: var(--c-moon); }
.biz__title { margin-top: 8px; font-family: var(--f-serif); font-size: clamp(21px, 2.6vw, 28px); letter-spacing: .04em; }
.biz__text { margin-top: 16px; color: var(--c-text-muted); }
.biz__cards { margin-top: calc(clamp(48px, 7vw, 88px) * -0.5); }
.section-media--wide { aspect-ratio: 1200 / 630; }
.section-media a { display: block; width: 100%; height: 100%; }
@media (max-width: 760px) { .biz__item { grid-template-columns: 1fr; } }
.work__desc { margin-top: 14px; color: var(--c-text-muted); font-size: 15px; }
.table-scroll { margin-top: 1em; overflow-x: auto; }
.privacy-table { font-size: 14px; }
.privacy-table tbody th { width: 30%; color: var(--c-text); }

.news-heading { font-size: 13.5px; letter-spacing: .2em; color: var(--c-text-muted); font-weight: 600; }

/* ---------- utilities ---------- */
.mt-l { margin-top: clamp(48px, 7vw, 88px); }
.mt-m { margin-top: 32px; }
.center { text-align: center; }
.muted { color: var(--c-text-muted); }
.small { font-size: 13.5px; }

@media print {
  body { background: #fff; color: #000; }
  .site-header, .hero__sky, .hero__moon, .scroll-cue, .cta-band, .nav-toggle { display: none !important; }
}