@charset "UTF-8";

/* ============================================================
   合同会社リスター コーポレートサイト
   配色: 紺 × 白（信頼感）
   ============================================================ */

:root {
  --navy-900: #061527;
  --navy-800: #0b2440;
  --navy-700: #123458;
  --navy-600: #1b4b7a;
  --navy-500: #2a6ba8;
  --accent: #4a90d9;

  --ink: #16202c;
  --ink-soft: #3d4a59;
  --muted: #6b7a8c;
  --line: #dfe6ee;
  --line-soft: #eef3f8;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;

  --maxw: 1120px;
  --radius: 4px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html {
  font-size: 17.5px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: .02em;
  font-feature-settings: "palt";
  /* 「ー」や小さい「ゃ」などが行の先頭に来ないようにする（日本語の禁則処理） */
  line-break: strict;
  overflow-wrap: break-word;
}

/* 途中で切りたくない語句 */
.nb { white-space: nowrap; }

/* パソコンでだけ効かせる改行（スマホでは無効にする） */
br.only-pc { display: inline; }

img { max-width: 100%; display: block; }
a { color: var(--navy-600); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent); }

.wrap {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--navy-800);
}
.brand:hover { color: var(--navy-800); }

/* ロゴを左上、メニューを右に置く（左右を入れ替えたいときはこの数字を逆にする） */
.site-header .brand { order: 1; }
.site-header .nav { order: 2; }

.brand-logo {
  width: auto;
  height: 60px;
  flex: none;
}
.site-footer .brand-logo { height: 68px; }

@media (max-width: 520px) {
  .brand-logo { height: 48px; }
  .brand .name b { font-size: .95rem; }
}

.brand .name {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.brand .name b {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.brand .name span {
  font-size: .62rem;
  letter-spacing: .22em;
  color: var(--muted);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.85rem;
}
.nav a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: .35rem 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--navy-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--navy-800); }

.nav .btn-nav {
  padding: .55rem 1.25rem;
  background: var(--navy-800);
  color: #fff;
  border-radius: var(--radius);
  font-size: .84rem;
}
.nav .btn-nav::after { display: none; }
.nav .btn-nav:hover { background: var(--navy-600); color: #fff; }
.nav .btn-nav[aria-current="page"] { color: #fff; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px; height: 1.5px;
  background: var(--navy-800);
  transform: translateX(-50%);
  transition: .25s var(--ease);
}
.nav-toggle span { top: 50%; margin-top: -.75px; }
.nav-toggle span::before { top: -6px; left: 0; transform: none; }
.nav-toggle span::after { top: 6px; left: 0; transform: none; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- ファーストビュー ---------- */

.fv {
  position: relative;
  color: #fff;
  min-height: min(86vh, 820px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: var(--navy-900);
}

/* 背景の写真とベール */
.fv-media { position: absolute; inset: 0; z-index: 0; }

.fv-photo {
  position: absolute;
  inset: -3%;
  background-size: cover;
  background-position: 62% 50%;
  filter: saturate(.95) contrast(1.02) brightness(1.03);
  transform: scale(1.06);
  animation: fvZoom 26s ease-out forwards;
}
@keyframes fvZoom {
  from { transform: scale(1.14); }
  to   { transform: scale(1.02); }
}

.fv-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(4, 16, 30, .92) 0%, rgba(6, 24, 44, .82) 28%, rgba(9, 34, 60, .52) 48%, rgba(20, 62, 104, .14) 72%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(to top, rgba(4, 16, 30, .78) 0%, rgba(4, 16, 30, .06) 36%, rgba(4, 16, 30, 0) 55%);
}

.fv-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(100deg, #000 0%, rgba(0, 0, 0, .5) 40%, transparent 62%);
}

/* 左端の縦書きレール */
.fv-rail {
  position: absolute;
  left: 2.6rem;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-size: .62rem;
  letter-spacing: .42em;
  color: rgba(255, 255, 255, .38);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.fv-rail i {
  display: block;
  width: 1px;
  height: 76px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, .45), transparent);
}

.fv-inner {
  position: relative;
  z-index: 2;
  padding: clamp(4rem, 9vw, 5.8rem) 0 clamp(3.4rem, 8vw, 5rem);
}

.fv-copy { max-width: 50rem; }

.fv-eyebrow {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin: 0 0 2rem;
  font-size: .74rem;
  letter-spacing: .34em;
  color: rgba(255, 255, 255, .68);
  font-weight: 500;
  opacity: 0;
  animation: fvUp .9s var(--ease) .15s forwards;
}
.fv-eyebrow .bar {
  display: block;
  width: 0;
  height: 1px;
  background: var(--accent);
  animation: fvBar 1.1s var(--ease) .35s forwards;
}
@keyframes fvBar { to { width: 62px; } }

.fv-title {
  margin: 0;
  font-size: clamp(2.2rem, 5.6vw, 3.9rem);
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: .045em;
  text-shadow: 0 2px 30px rgba(2, 10, 20, .45);
}
.fv-title .ln {
  display: block;
  opacity: 0;
  animation: fvUp 1s var(--ease) forwards;
}
.fv-title .l1 { animation-delay: .3s; }
.fv-title .l2 { animation-delay: .48s; }
.fv-title .thin {
  font-weight: 200;
  color: rgba(255, 255, 255, .8);
  letter-spacing: .12em;
}

@keyframes fvUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

.fv-lead {
  margin: 2.2rem 0 0;
  max-width: 31em;
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  text-shadow: 0 1px 18px rgba(2, 10, 20, .6);
  color: rgba(255, 255, 255, .88);
  font-weight: 300;
  line-height: 2.15;
  opacity: 0;
  animation: fvUp 1s var(--ease) .68s forwards;
}

.fv-actions {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  opacity: 0;
  animation: fvUp 1s var(--ease) .84s forwards;
}

/* 下の帯 */
.fv-foot {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, .16);
  background: linear-gradient(to top, rgba(4, 16, 30, .62), rgba(4, 16, 30, .28));
  opacity: 0;
  animation: fvUp 1s var(--ease) 1s forwards;
}
.fv-foot .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
}

.fv-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.fv-keys li {
  position: relative;
  padding-right: 2.6rem;
  display: flex;
  align-items: baseline;
  gap: .85rem;
}
.fv-keys li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: .1rem;
  bottom: .1rem;
  width: 1px;
  background: rgba(255, 255, 255, .18);
}
.fv-keys li:last-child { padding-right: 0; }
.fv-keys b {
  font-size: .82rem;
  letter-spacing: .24em;
  font-weight: 600;
  color: #fff;
}
.fv-keys span {
  font-size: .85rem;
  color: rgba(255, 255, 255, .58);
  font-weight: 300;
  letter-spacing: .06em;
}

.fv-scroll {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  font-size: .68rem;
  letter-spacing: .32em;
  color: rgba(255, 255, 255, .6);
  white-space: nowrap;
}
.fv-scroll:hover { color: #fff; }
.fv-scroll i {
  display: block;
  position: relative;
  width: 46px;
  height: 1px;
  background: rgba(255, 255, 255, .22);
  overflow: hidden;
}
.fv-scroll i::after {
  content: "";
  position: absolute;
  top: 0; left: -46px;
  width: 46px; height: 1px;
  background: var(--accent);
  animation: fvSlide 2.4s var(--ease) infinite;
}
@keyframes fvSlide {
  0%   { transform: translateX(0); }
  60%  { transform: translateX(92px); }
  100% { transform: translateX(92px); }
}

@media (max-width: 1180px) {
  .fv-rail { display: none; }
}

@media (max-width: 860px) {
  .fv { min-height: auto; }
  .fv-inner { padding: clamp(4.5rem, 16vw, 6.5rem) 0 clamp(3.5rem, 12vw, 5rem); }
  .fv-title { font-size: clamp(1.55rem, 7.6vw, 2.9rem); }
  br.only-pc { display: none; }
  .fv-photo { background-position: 70% 50%; }
  .fv-foot .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    padding: 1.2rem 0 1.4rem;
  }
  .fv-keys { gap: .55rem 0; flex-direction: column; }
  .fv-keys li { padding-right: 0; }
  .fv-keys li:not(:last-child)::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .fv-photo { animation: none; transform: scale(1.02); }
  .fv-eyebrow, .fv-title .ln, .fv-lead, .fv-actions, .fv-foot { opacity: 1; animation: none; }
  .fv-eyebrow .bar { width: 62px; animation: none; }
  .fv-scroll i::after { animation: none; transform: translateX(46px); }
}

/* ---------- ページ見出し（下層） ---------- */

.pagehead {
  position: relative;
  color: #fff;
  background:
    radial-gradient(700px 340px at 82% 0%, rgba(74, 144, 217, .26), transparent 60%),
    linear-gradient(140deg, var(--navy-900), var(--navy-700));
}
.pagehead .wrap {
  padding: clamp(3.4rem, 8vw, 5.4rem) 0 clamp(3rem, 7vw, 4.6rem);
}
.pagehead .en {
  font-size: .68rem;
  letter-spacing: .32em;
  color: rgba(255, 255, 255, .55);
  margin: 0 0 .85rem;
}
.pagehead h1 {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: .09em;
}
.pagehead p {
  margin: 1.2rem 0 0;
  max-width: 46em;
  color: rgba(255, 255, 255, .78);
  font-weight: 300;
  font-size: .95rem;
}

.pagehead { overflow: hidden; }
.pagehead .bg-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: .26;
  filter: saturate(.5) contrast(1.05);
}
.pagehead.has-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(105deg, rgba(6, 21, 39, .92) 0%, rgba(11, 36, 64, .78) 50%, rgba(18, 52, 88, .5) 100%);
}
.pagehead .wrap { position: relative; z-index: 2; }

.crumbs {
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: .76rem;
  color: var(--muted);
}
.crumbs .wrap { padding: .8rem 0; }
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 .5rem; opacity: .55; }

/* ---------- セクション共通 ---------- */

.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section.soft { background: var(--bg-soft); }
.section.navy {
  background:
    radial-gradient(680px 320px at 15% 100%, rgba(74, 144, 217, .22), transparent 62%),
    linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
}

.sec-head { margin-bottom: clamp(2.4rem, 5vw, 3.4rem); }
.sec-head .en {
  display: block;
  font-size: .68rem;
  letter-spacing: .32em;
  color: var(--navy-500);
  margin-bottom: .8rem;
  font-weight: 600;
}
.section.navy .sec-head .en { color: var(--accent); }
.sec-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3.4vw, 1.95rem);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.6;
}
.sec-head p {
  margin: 1.1rem 0 0;
  max-width: 44em;
  color: var(--ink-soft);
  font-size: .95rem;
}
.section.navy .sec-head p { color: rgba(255, 255, 255, .78); }

/* ---------- ボタン ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .95rem 1.9rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .06em;
  border: 1px solid transparent;
  transition: .25s var(--ease);
  white-space: nowrap;
}
.btn .arw { transition: transform .25s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }

.btn-primary { background: #fff; color: var(--navy-800); }
.btn-primary:hover { background: var(--accent); color: #fff; }

.btn-outline { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; }

.btn-navy { background: var(--navy-800); color: #fff; }
.btn-navy:hover { background: var(--navy-600); color: #fff; }

.btn-ghost { border-color: var(--line); color: var(--navy-700); background: #fff; }
.btn-ghost:hover { border-color: var(--navy-600); color: var(--navy-800); }

/* ---------- 社名の由来 ---------- */

.brand-origin { background: var(--bg); }

.origin {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.origin-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.origin-photo img {
  width: 100%;
  height: clamp(280px, 34vw, 430px);
  object-fit: cover;
}
.origin-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(6, 21, 39, .38), rgba(6, 21, 39, .06) 60%);
}

.origin-body .en {
  display: block;
  font-size: .68rem;
  letter-spacing: .32em;
  color: var(--navy-500);
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.origin-logo {
  width: auto;
  height: clamp(96px, 12vw, 132px);
  margin: 0 0 1.4rem;
}

.origin-word {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 0 0 1.5rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.origin-word b {
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--navy-800);
}
.origin-word i {
  font-style: normal;
  font-size: .68rem;
  letter-spacing: .22em;
  color: var(--muted);
  text-transform: uppercase;
}
.origin-word span {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 300;
  letter-spacing: .16em;
  color: var(--navy-500);
}

.origin-body h2 {
  margin: 0 0 1.4rem;
  font-size: clamp(1.25rem, 2.9vw, 1.65rem);
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.75;
  color: var(--navy-800);
}
.origin-body p {
  margin: 0 0 1.2rem;
  font-size: .93rem;
  color: var(--ink-soft);
  line-height: 2.1;
}
.origin-body p:last-child { margin-bottom: 0; }
.origin-body p b { color: var(--navy-700); font-weight: 600; }

@media (max-width: 860px) {
  .origin { grid-template-columns: 1fr; }
}

/* ---------- メッセージ ---------- */

.message {
  display: grid;
  grid-template-columns: minmax(240px, .82fr) 1.18fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.message .tagline {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: .08em;
  color: var(--navy-800);
  position: relative;
  padding-top: 1.6rem;
}
.message .tagline::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 44px; height: 2px;
  background: var(--navy-500);
}
.message-body p {
  margin: 0 0 1.5rem;
  font-size: .95rem;
  color: var(--ink-soft);
  line-height: 2.15;
}
.message-body p:last-child { margin-bottom: 0; }

@media (max-width: 780px) {
  .message { grid-template-columns: 1fr; }
}

.biz-note {
  margin: 1.5rem 0 0;
  font-size: .84rem;
  color: var(--muted);
  letter-spacing: .04em;
}
.biz-note::before {
  content: "※ ";
}

/* ---------- 事業内容（1事業・トップ） ---------- */

.biz-solo {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: start;
}

.biz-solo-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.biz-solo-photo img {
  width: 100%;
  height: clamp(300px, 38vw, 480px);
  object-fit: cover;
}
.biz-solo-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 21, 39, .5) 0%, rgba(6, 21, 39, .1) 45%, rgba(6, 21, 39, .35) 100%);
}

.biz-solo-body h3 {
  margin: 0 0 .5rem;
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--navy-800);
  line-height: 1.6;
}
.biz-solo-body .sub {
  margin: 0 0 1.6rem;
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--muted);
}
.biz-solo-lead {
  margin: 0 0 2rem;
  padding-bottom: 1.9rem;
  border-bottom: 1px solid var(--line);
  font-size: .97rem;
  color: var(--ink-soft);
  line-height: 2.1;
}

.soft-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.soft-list li {
  position: relative;
  padding: 0 0 1.5rem 1.6rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line-soft);
}
.soft-list li:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.soft-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72rem;
  width: 8px;
  height: 1px;
  background: var(--navy-500);
}
.soft-list h4 {
  margin: 0 0 .6rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: .04em;
  line-height: 1.7;
}
.soft-list p {
  margin: 0;
  font-size: .9rem;
  color: var(--ink-soft);
  line-height: 2.05;
}

@media (max-width: 860px) {
  .biz-solo { grid-template-columns: 1fr; }
}

/* ---------- 事業カード ---------- */

.biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.6rem;
}

.biz-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .3s var(--ease);
}
.biz-card:hover {
  transform: translateY(-4px);
  border-color: #c9d7e6;
  box-shadow: 0 18px 40px -24px rgba(11, 36, 64, .45);
}

/* カード上部の写真 */
.biz-photo {
  position: relative;
  overflow: hidden;
}
.biz-photo img {
  width: 100%;
  height: clamp(180px, 20vw, 240px);
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.biz-card:hover .biz-photo img { transform: scale(1.05); }
.biz-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 21, 39, .55) 0%, rgba(6, 21, 39, .18) 55%, rgba(6, 21, 39, .5) 100%);
}
.biz-no {
  position: absolute;
  top: 1.1rem;
  left: 1.3rem;
  z-index: 1;
  font-size: .7rem;
  letter-spacing: .26em;
  font-weight: 600;
  color: #fff;
  padding: .25rem .7rem;
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 2px;
  backdrop-filter: blur(2px);
}

.biz-card-body { padding: 2rem 2.1rem 2.2rem; }

.biz-card .no {
  font-size: .68rem;
  letter-spacing: .26em;
  color: var(--navy-500);
  font-weight: 600;
}
.biz-card h3 {
  margin: 0 0 .5rem;
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--navy-800);
  line-height: 1.6;
}
.biz-card .sub {
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--muted);
  margin: 0 0 1.4rem;
}
.biz-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}
.biz-card li {
  position: relative;
  padding: .95rem 0 .95rem 1.15rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: .89rem;
  color: var(--ink-soft);
  line-height: 1.85;
}
.biz-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.55rem;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--navy-500);
}

/* ---------- 事業内容（詳細ページ） ---------- */

.biz-detail {
  display: grid;
  grid-template-columns: minmax(230px, .7fr) 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.biz-detail-head .no {
  display: block;
  font-size: .72rem;
  letter-spacing: .3em;
  color: var(--navy-500);
  font-weight: 600;
  margin-bottom: .9rem;
}
.biz-detail-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.65;
  color: var(--navy-800);
}
.biz-detail-head .sub {
  margin: .8rem 0 0;
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--muted);
}
.biz-detail-body .lead-text {
  margin: 0 0 2.2rem;
  font-size: .96rem;
  color: var(--ink-soft);
  line-height: 2.1;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.biz-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: bizitem;
}
.biz-list li {
  position: relative;
  padding: 0 0 1.8rem 3.1rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--line-soft);
  counter-increment: bizitem;
}
.biz-list li:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.biz-list li::before {
  content: counter(bizitem, decimal-leading-zero);
  position: absolute;
  left: 0; top: .15rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--navy-500);
  letter-spacing: .1em;
}
.biz-list h3 {
  margin: 0 0 .7rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: .04em;
  line-height: 1.75;
}
.biz-list p {
  margin: 0;
  font-size: .9rem;
  color: var(--ink-soft);
  line-height: 2.05;
}

@media (max-width: 780px) {
  .biz-detail { grid-template-columns: 1fr; }
}

/* ---------- 進め方 ---------- */

.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.flow li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.6rem 1.8rem;
}
.flow li::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1.1rem;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--navy-500);
  border-right: 1px solid var(--navy-500);
  transform: translateY(-50%) rotate(45deg);
  opacity: .55;
}
.flow li:last-child::after { display: none; }
.flow .step {
  display: block;
  font-size: .64rem;
  letter-spacing: .26em;
  color: var(--navy-500);
  font-weight: 600;
  margin-bottom: .9rem;
}
.flow h3 {
  margin: 0 0 .7rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: .04em;
}
.flow p {
  margin: 0;
  font-size: .87rem;
  color: var(--ink-soft);
  line-height: 1.95;
}

@media (max-width: 760px) {
  .flow li::after {
    top: auto;
    right: auto;
    bottom: -1.1rem;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }
}

/* ---------- 数字・特長 ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.4rem 2rem;
}
.feature {
  padding-top: 1.5rem;
  border-top: 2px solid rgba(255, 255, 255, .22);
}
.feature .k {
  font-size: .66rem;
  letter-spacing: .28em;
  color: var(--accent);
  font-weight: 600;
}
.feature h3 {
  margin: .9rem 0 .7rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .05em;
}
.feature p {
  margin: 0;
  font-size: .88rem;
  color: rgba(255, 255, 255, .74);
  font-weight: 300;
  line-height: 2;
}

/* ---------- 表（会社概要） ---------- */

.table-info {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
}
.table-info th,
.table-info td {
  text-align: left;
  vertical-align: top;
  padding: 1.35rem 1.2rem;
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}
.table-info th {
  width: 12.5em;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--bg-soft);
  letter-spacing: .06em;
}
.table-info td { color: var(--ink-soft); }
.table-info td ul {
  margin: 0;
  padding-left: 1.1rem;
}
.table-info td li { margin-bottom: .35rem; }
.table-info td .cat {
  display: block;
  margin: 1.2rem 0 .5rem;
  font-weight: 600;
  color: var(--navy-700);
  letter-spacing: .04em;
}
.table-info td .cat:first-child { margin-top: 0; }

.sub-note {
  display: block;
  margin-top: .5rem;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.9;
}

.pending {
  display: inline-block;
  margin-left: .5rem;
  padding: .15rem .6rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: #fff;
  font-size: .7rem;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ---------- お問い合わせ ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 2rem 1.8rem;
}
.contact-card .k {
  font-size: .66rem;
  letter-spacing: .26em;
  color: var(--navy-500);
  font-weight: 600;
}
.contact-card .v {
  margin: 1rem 0 0;
  font-size: 1.02rem;
  color: var(--navy-800);
  font-weight: 600;
  line-height: 1.8;
  word-break: break-word;
}
.contact-card .note {
  margin: .7rem 0 0;
  font-size: .8rem;
  color: var(--muted);
  font-weight: 400;
}

.notice {
  border-left: 3px solid var(--navy-500);
  background: var(--bg-soft);
  padding: 1.1rem 1.4rem;
  font-size: .87rem;
  color: var(--ink-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.form {
  display: grid;
  gap: 1.4rem;
  max-width: 720px;
}
.form .row { display: grid; gap: .55rem; }
.form label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: .06em;
}
.form label .req {
  margin-left: .5rem;
  font-size: .68rem;
  color: #b4453a;
  font-weight: 500;
}
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  font-size: .92rem;
  color: var(--ink);
  background: #fff;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--navy-500);
  box-shadow: 0 0 0 3px rgba(42, 107, 168, .14);
}
.form input:disabled,
.form textarea:disabled,
.form select:disabled {
  background: var(--bg-soft);
  color: var(--muted);
  cursor: not-allowed;
}
.form textarea { min-height: 170px; resize: vertical; }

.note-small {
  margin: 0;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.9;
}

/* ---------- CTA 帯 ---------- */

.cta {
  background:
    radial-gradient(620px 300px at 80% 20%, rgba(74, 144, 217, .28), transparent 62%),
    linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
}
.cta .wrap {
  padding: clamp(3.4rem, 8vw, 5rem) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.7;
}
.cta p {
  margin: .9rem 0 0;
  color: rgba(255, 255, 255, .76);
  font-size: .9rem;
  font-weight: 300;
}

/* ---------- 本文（規約・方針） ---------- */

.doc { max-width: 800px; }
.doc h2 {
  margin: 3rem 0 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-800);
  letter-spacing: .06em;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--line);
}
.doc h2:first-child { margin-top: 0; }
.doc p { font-size: .92rem; color: var(--ink-soft); }
.doc ul, .doc ol { font-size: .92rem; color: var(--ink-soft); padding-left: 1.3rem; }
.doc li { margin-bottom: .5rem; }

/* ---------- フッター ---------- */

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .72);
  font-size: .85rem;
}
.site-footer .wrap { padding: 3.6rem 0 1.8rem; }
.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 2.6rem;
  justify-content: space-between;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-top .brand { color: #fff; }
.footer-top .brand:hover { color: #fff; }
.footer-addr {
  margin: 1.4rem 0 0;
  font-size: .84rem;
  line-height: 2;
  font-weight: 300;
  color: rgba(255, 255, 255, .68);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem 2.2rem;
  align-items: flex-start;
}
.footer-nav a { color: rgba(255, 255, 255, .78); font-size: .85rem; }
.footer-nav a:hover { color: #fff; }
.copyright {
  padding-top: 1.6rem;
  font-size: .72rem;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .45);
}

/* ---------- スクロール表示 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.on { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 画面が狭いとき ---------- */

@media (max-width: 860px) {
  /* スマホはロゴが左、メニューボタンが右 */
  .nav-toggle { display: block; order: 2; }
  .nav {
    position: absolute;
    top: 86px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px -22px rgba(11, 36, 64, .5);
    padding: .6rem 1.25rem 1.2rem;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 1rem .2rem;
    border-bottom: 1px solid var(--line-soft);
    font-size: .95rem;
  }
  .nav a::after { display: none; }
  .nav .btn-nav {
    margin-top: 1rem;
    justify-content: center;
    text-align: center;
    border-bottom: none;
  }
  .table-info th,
  .table-info td { display: block; width: 100%; }
  .table-info th { border-bottom: none; padding-bottom: .6rem; }
  .table-info td { padding-top: .3rem; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
}