/* ============================================================
   LinkCatalyst — site stylesheet v2
   Direction : bold editorial tech（大型英字ディスプレイ × 日本語）
   Palette   : 電光藍 ultramarine / 金茶 gold / 洋紙 paper / 墨 ink
   Type      : Space Grotesk (EN display) + Zen Kaku Gothic New (JP)
   ============================================================ */

:root {
  --ink:        #0f1522;
  --ink-soft:   #525d73;
  --ultra:      #2438e6;
  --ultra-deep: #131f6e;
  --gold:       #b8891f;
  --gold-soft:  #d8b25c;
  --paper:      #f6f7f5;
  --mist:       #eceef2;
  --line:       #dfe2e8;

  --font-en:   "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-jp:   "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;

  --max-w: 1120px;
  --pad-x: clamp(20px, 5vw, 56px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

a { color: var(--ultra); text-decoration: none; }
a:hover { color: var(--ultra-deep); }
a:focus-visible, button:focus-visible,
input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

img, svg { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-x); }

.en { font-family: var(--font-en); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 245, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
}
.brand:hover { color: var(--ultra); }
.brand .mark { width: 26px; height: 26px; flex: none; }

.site-nav { display: flex; align-items: center; gap: clamp(14px, 2.6vw, 30px); }
.site-nav a {
  font-family: var(--font-en);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  padding: 6px 2px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ultra); }
.site-nav .nav-cta {
  color: #fff;
  background: var(--ink);
  padding: 9px 20px;
  border-radius: 999px;
}
.site-nav .nav-cta:hover { background: var(--ultra); color: #fff; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 13vh, 150px) 0 clamp(48px, 8vh, 90px);
}

.hero .eyebrow {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero .eyebrow::after {
  content: "";
  width: 64px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2.5rem, 7.4vw, 5.4rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin-bottom: 34px;
}
.hero h1 .t-ultra { color: var(--ultra); }
.hero h1 .t-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}
.hero h1 .t-arrow { color: var(--gold); }

.hero .lead {
  max-width: 36em;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--ink-soft);
  margin-bottom: 44px;
}
.hero .lead strong { color: var(--ink); font-weight: 700; }

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  padding: 15px 40px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.btn:hover { background: var(--ink); color: #fff; }

.btn-solid { background: var(--ultra); border-color: var(--ultra); color: #fff; }
.btn-solid:hover { background: var(--ultra-deep); border-color: var(--ultra-deep); color: #fff; }

/* ---------- marquee ---------- */

.marquee {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  padding: 16px 0;
  background: var(--paper);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  letter-spacing: 0.14em;
  white-space: nowrap;
  padding-right: 3.5em;
  color: var(--ink);
}
.marquee-track span em { font-style: normal; color: var(--ultra); }
.marquee-track span b  { font-weight: 500; color: var(--gold); }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- sections ---------- */

.section { padding: clamp(72px, 11vh, 130px) 0; }

.section-head { margin-bottom: clamp(40px, 6vh, 64px); }

.section-head .en-title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.section-head .jp-title {
  margin-top: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-head .jp-title::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold);
}

.prose { max-width: 42em; color: var(--ink-soft); }
.prose strong { color: var(--ink); }
.prose + .prose { margin-top: 1.2em; }

/* ---------- business ---------- */

.biz-list { display: grid; gap: 0; border-top: 1px solid var(--ink); }

.biz {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 56px);
  padding: clamp(34px, 5vh, 52px) 0;
  border-bottom: 1px solid var(--ink);
  align-items: start;
}

.biz .num {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--ultra);
  line-height: 1.2;
}

.biz h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 6px;
}
.biz .en-sub {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.biz p { max-width: 44em; color: var(--ink-soft); }
.biz .tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.biz .tags span {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ultra-deep);
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 5px 14px;
}

/* ---------- data band ---------- */

.data-band {
  background: var(--ink);
  color: #eef0f5;
  padding: clamp(72px, 11vh, 130px) 0;
}
.data-band .section-head .en-title { color: #fff; }
.data-band .section-head .jp-title { color: var(--gold-soft); }
.data-band .section-head .jp-title::before { background: var(--gold-soft); }
.data-band .prose { color: #a8b0c2; }
.data-band .prose strong { color: #fff; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin: clamp(44px, 7vh, 72px) 0 clamp(36px, 5vh, 56px);
}

.stat { border-top: 1px solid rgba(255, 255, 255, 0.25); padding-top: 26px; }

.stat .value {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2.6rem, 5.4vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}
.stat .value em { font-style: normal; color: var(--gold-soft); }
.stat .label {
  margin-top: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #dfe3ec;
}
.stat .source {
  margin-top: 6px;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: #7f889d;
}

/* ---------- approach ---------- */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 32px);
}
.approach {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px;
}
.approach .en-sub {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ultra);
  margin-bottom: 14px;
}
.approach h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.approach p { font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ultra);
  color: #fff;
  padding: clamp(72px, 11vh, 120px) 0;
  overflow: hidden;
}
.cta-band .en-title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.cta-band p { color: #ccd3f7; max-width: 36em; margin-bottom: 40px; }
.cta-band .btn { border-color: #fff; color: #fff; }
.cta-band .btn:hover { background: #fff; color: var(--ultra); }

/* ---------- tables (会社概要) ---------- */

.spec-table { width: 100%; max-width: 680px; border-collapse: collapse; font-size: 0.95rem; }
.spec-table th, .spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  width: 9em;
  font-weight: 700;
  color: var(--ultra-deep);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ---------- forms ---------- */

.form { max-width: 560px; display: grid; gap: 22px; }
.form label { display: block; font-weight: 700; font-size: 0.88rem; letter-spacing: 0.06em; margin-bottom: 8px; }
.form label .req { color: var(--gold); font-size: 0.75rem; margin-left: 6px; }
.form input, .form textarea {
  width: 100%;
  font: inherit;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.form input:focus, .form textarea:focus { border-color: var(--ultra); }
.form textarea { min-height: 180px; resize: vertical; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 52px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-footer .foot-brand { font-family: var(--font-en); font-weight: 700; color: var(--ink); }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { color: var(--ink-soft); }
.footer-nav a:hover { color: var(--ultra); }

/* ---------- page head (inner pages) ---------- */

.page-head { border-bottom: 1px solid var(--line); padding: clamp(56px, 9vh, 88px) 0; }
.page-head .en-title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  letter-spacing: -0.01em;
}
.page-head .jp-title {
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
}

/* ---------- prose pages (privacy) ---------- */

.article { max-width: 42em; }
.article h2 { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.04em; margin: 2.2em 0 0.7em; }
.article p { color: var(--ink-soft); margin-bottom: 1em; }
.article ul { margin: 0 0 1em 1.4em; color: var(--ink-soft); }

/* ---------- reveal ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .stats, .approach-grid { grid-template-columns: 1fr; }
  .biz { grid-template-columns: 64px minmax(0, 1fr); }
}

@media (max-width: 560px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .spec-table th { width: 7em; }
}

/* ---------- v2.1 additions: hero map / biz visual / vision band ---------- */

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.hero-map { margin: 0; }
.hero-map img { width: 100%; height: auto; }

.biz-visual {
  margin: 30px 0 4px;
  max-width: 680px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: clamp(16px, 3vw, 30px);
}
.biz-visual img { width: 100%; height: auto; }
.biz-visual figcaption {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: center;
  letter-spacing: 0.04em;
}

.vision {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(72px, 11vh, 130px) 0;
}
.vision-statements { margin: clamp(28px, 4vh, 44px) 0 clamp(28px, 4vh, 40px); }
.vision-line {
  font-weight: 700;
  font-size: clamp(1.5rem, 4.4vw, 3rem);
  line-height: 1.5;
  letter-spacing: 0.03em;
}
.vision-line + .vision-line { margin-top: 6px; }
.vision-line em { font-style: normal; color: var(--ultra); }
.vision-line:nth-child(2) { padding-left: clamp(0px, 6vw, 90px); }
.vision-line:nth-child(2) em { color: var(--gold); }

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(36px, 6vh, 56px);
}
.cap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 24px;
}
.cap .cap-en {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ultra);
  margin-bottom: 10px;
}
.cap h3 { font-size: 1.02rem; font-weight: 700; letter-spacing: 0.04em; margin-bottom: 8px; }
.cap p { font-size: 0.88rem; color: var(--ink-soft); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-map { max-width: 480px; }
  .cap-grid { grid-template-columns: 1fr; }
}