/*
  MJS ASSETMANAGEMENT株式会社 コーポレートサイト
  style.css — レイヤー順: tokens → base → components → pages → utilities
*/

/* ==================================================================
   tokens
   ================================================================== */
:root {
  /* Base */
  --c-bg:        #060913;   /* ページ背景（濃紺黒） */
  --c-bg-2:      #0B1020;   /* セクション交互背景 */
  --c-surface:   #111830;   /* カード面 */
  --c-line:      rgba(140,160,220,.16);  /* 罫線 */

  /* Text */
  --c-text:      #E8ECF8;
  --c-text-sub:  #9AA6C4;
  --c-text-faint:#5E6A8A;

  /* Accent（グローの核。青緑→青紫のデュオトーン） */
  --c-accent:    #37D6E8;   /* シアン */
  --c-accent-2:  #6C5CE8;   /* バイオレット */
  --grad-accent: linear-gradient(120deg, #37D6E8 0%, #5B8CFF 50%, #6C5CE8 100%);

  /* State */
  --c-danger:    #FF6B81;
  --glow-sm: 0 0 12px rgba(55,214,232,.35);
  --glow-md: 0 0 32px rgba(55,214,232,.30), 0 0 80px rgba(108,92,232,.18);

  /* Typography */
  --font-en: "Space Grotesk", sans-serif;
  --font-ja: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;

  --fs-hero:  clamp(2.4rem, 5.5vw, 4.4rem);
  --fs-h2:    clamp(1.7rem, 3.2vw, 2.6rem);
  --fs-h3:    clamp(1.2rem, 1.8vw, 1.5rem);
  --fs-body:  1rem;         /* 16px, line-height 1.9 */
  --fs-small: .875rem;
  --fs-eyebrow: .8rem;      /* 英字ラベル letter-spacing .18em */

  /* Layout / spacing */
  --container: 1160px;
  --header-h: 76px;                        /* .site-header__inner の高さと一致させる */
  --sp-section: clamp(80px, 12vw, 160px);  /* セクション上下 */
  --sp-block: clamp(40px, 6vw, 80px);
  --radius: 16px;
  --radius-lg: 24px;

  /* Easing */
  --ease-out: cubic-bezier(.22,1,.36,1);
  --ease-inout: cubic-bezier(.65,0,.35,1);
}

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

html { background: var(--c-bg); }

html:focus-within { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-ja);
  font-size: var(--fs-body);
  line-height: 1.9;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4, p, figure { margin: 0; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

input, textarea, select { font: inherit; color: inherit; }

main { display: block; }

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

section { position: relative; }

.section {
  padding-block: var(--sp-section);
}

.section--alt { background: var(--c-bg-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: var(--fs-eyebrow);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: var(--glow-sm);
  flex: none;
}

.section__head {
  margin-bottom: var(--sp-block);
}

.section__head h2 {
  margin-top: 12px;
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: .01em;
}

.grad-text {
  background: var(--grad-accent);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ==================================================================
   components
   ================================================================== */

/* --- Header --- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease-out), border-color .3s var(--ease-out), backdrop-filter .3s var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(6,9,19,.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--c-text);
  white-space: nowrap;
}

.logo span { color: var(--c-accent); }

.nav-main {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-main__list {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: var(--fs-small);
}

.nav-main__list > li { position: relative; }

.nav-main__list a {
  color: var(--c-text-sub);
  transition: color .3s;
}

.nav-main__list a:hover,
.nav-main__list a:focus-visible { color: var(--c-text); }

.nav-dropdown { position: relative; }

.nav-dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-dropdown__toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform .3s var(--ease-out);
}

.nav-dropdown:hover .nav-dropdown__toggle::after,
.nav-dropdown:focus-within .nav-dropdown__toggle::after {
  transform: rotate(225deg);
}

.nav-dropdown__panel {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 260px;
  background: rgba(11,16,32,.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}

.nav-dropdown:hover .nav-dropdown__panel,
.nav-dropdown:focus-within .nav-dropdown__panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown__panel a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--c-text-sub);
}

.nav-dropdown__panel a:hover,
.nav-dropdown__panel a:focus-visible {
  background: rgba(255,255,255,.04);
  color: var(--c-text);
}

.nav-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  flex: none;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1px;
  background: var(--c-text);
  transition: transform .3s var(--ease-out), opacity .3s var(--ease-out), top .3s var(--ease-out);
}

.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }

body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* --- Buttons --- */
.btn-glow,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s var(--ease-out);
}

.btn-glow {
  background: var(--grad-accent);
  color: #060913;
  font-weight: 700;
  box-shadow: var(--glow-sm);
  border: none;
}

.btn-glow:hover,
.btn-glow:focus-visible {
  box-shadow: var(--glow-md);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--c-line);
  color: var(--c-text);
  background: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--c-accent);
  box-shadow: var(--glow-sm);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* --- Glass card --- */
.card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  border: 1px solid var(--c-line);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 40px 32px;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--grad-accent);
  opacity: 0;
  transition: opacity .3s;
}

.card:hover::after { opacity: 1; }

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(240px circle at var(--mx) var(--my), rgba(55,214,232,.12), transparent 60%);
  transition: opacity .3s;
  pointer-events: none;
}

.card:hover::before { opacity: 1; }

.card:hover {
  border-color: rgba(55,214,232,.45);
  transform: translateY(-4px);
  transition: transform .3s var(--ease-out), border-color .3s;
}

.card__num {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--grad-accent);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  line-height: 1;
}

.card h3 {
  margin-top: 16px;
  font-size: var(--fs-h3);
  font-weight: 700;
}

.card p {
  margin-top: 12px;
  color: var(--c-text-sub);
}

/* --- Stats --- */
.stat { text-align: center; }

.stat__num {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  background: var(--grad-accent);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  line-height: 1.2;
  text-shadow: none;
}

.stat__label {
  margin-top: 8px;
  font-size: var(--fs-small);
  color: var(--c-text-sub);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .75rem;
  color: var(--c-text-faint);
}

.breadcrumb a { color: var(--c-text-faint); transition: color .3s; }
.breadcrumb a:hover, .breadcrumb a:focus-visible { color: var(--c-text-sub); }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: ">"; color: var(--c-text-faint); }
.breadcrumb li[aria-current] { color: var(--c-text-sub); }

/* --- Page hero --- */
.page-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  padding-block: calc(76px + 56px) 56px;
  overflow: hidden;
}

.page-hero__eyebrow {
  font-family: var(--font-en);
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-hero h1 {
  font-size: var(--fs-h2);
  font-weight: 700;
}

.page-hero__inner--split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 768px) {
  .page-hero__inner--split { grid-template-columns: 1fr; }
}

/* --- Footer --- */
.site-footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-line);
  position: relative;
  overflow: hidden;
}

.site-footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 80px 24px 40px;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
}

.site-footer__brand .logo { font-size: 1.2rem; }

.site-footer__brand address {
  font-style: normal;
  margin-top: 16px;
  color: var(--c-text-sub);
  font-size: var(--fs-small);
  line-height: 1.9;
}

.site-footer h4 {
  font-size: var(--fs-small);
  color: var(--c-text-faint);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.site-footer__sitemap ul { display: flex; flex-direction: column; gap: 10px; }

.site-footer__sitemap a {
  color: var(--c-text-sub);
  font-size: var(--fs-small);
  transition: color .3s;
}

.site-footer__sitemap a:hover, .site-footer__sitemap a:focus-visible { color: var(--c-text); }

.site-footer__cta { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }

.site-footer__bottom {
  max-width: var(--container);
  margin-inline: auto;
  padding: 0 24px 32px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-size: .75rem;
  color: var(--c-text-faint);
}

.site-footer__bottom a { color: var(--c-text-faint); }
.site-footer__bottom a:hover, .site-footer__bottom a:focus-visible { color: var(--c-text-sub); }

.site-footer__wordmark {
  position: absolute;
  left: 50%;
  bottom: -6%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 12vw;
  font-weight: 700;
  white-space: nowrap;
  color: var(--c-text);
  opacity: .04;
  pointer-events: none;
  z-index: 0;
}

/* --- Form --- */
.form { display: flex; flex-direction: column; gap: 32px; }

.form__group { display: flex; flex-direction: column; gap: 20px; }

.form__group-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 12px;
}

.form__field { display: flex; flex-direction: column; gap: 8px; }

.form__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  color: var(--c-text-sub);
}

.form__required {
  font-size: .7rem;
  color: var(--c-danger);
  border: 1px solid var(--c-danger);
  border-radius: 4px;
  padding: 2px 6px;
  line-height: 1;
}

.form__field input[type="text"],
.form__field input[type="tel"],
.form__field input[type="email"],
.form__field textarea,
.form__field select {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--c-text);
  transition: border-color .3s, box-shadow .3s;
}

.form__field textarea { resize: vertical; min-height: 120px; }

.form__field input[type="radio"],
.form__field input[type="checkbox"] { accent-color: var(--c-accent); }

.form__field input:focus-visible,
.form__field textarea:focus-visible,
.form__field select:focus-visible {
  border-color: var(--c-accent);
  box-shadow: var(--glow-sm);
  outline: none;
}

.form__field.is-error input,
.form__field.is-error textarea,
.form__field.is-error select {
  border-color: var(--c-danger);
}

.form__error {
  display: none;
  font-size: .8rem;
  color: var(--c-danger);
}

.form__field.is-error .form__error { display: block; }

.form__radio-group,
.form__checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.form__radio,
.form__checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  color: var(--c-text-sub);
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--fs-small);
  color: var(--c-text-sub);
  padding-top: 8px;
  border-top: 1px solid var(--c-line);
}

.form__consent a { color: var(--c-accent); }

.form__consent.is-error {
  border-top-color: var(--c-danger);
  color: var(--c-danger);
}

.form__consent.is-error a { color: var(--c-danger); text-decoration: underline; }

.form__submit { align-self: flex-start; }

.form__done {
  text-align: center;
  padding: 64px 24px;
}

.form__done h3 { font-size: var(--fs-h3); }
.form__done p { margin-top: 12px; color: var(--c-text-sub); }

/* --- Spec table --- */
.spec-table { width: 100%; border-collapse: collapse; }

.spec-table tr { border-bottom: 1px solid var(--c-line); }

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 20px 16px;
  font-size: var(--fs-small);
  vertical-align: top;
}

.spec-table th {
  width: 28%;
  color: var(--c-text-sub);
  font-weight: 500;
}

/* --- FAQ / accordion --- */
.faq { display: flex; flex-direction: column; gap: 12px; }

.faq__item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.02);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-weight: 500;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__marker {
  flex: none;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform .3s var(--ease-out);
}

.faq__marker::before,
.faq__marker::after {
  content: "";
  position: absolute;
  background: var(--c-accent);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.faq__marker::before { width: 12px; height: 1px; }
.faq__marker::after { width: 1px; height: 12px; }

.faq__item[open] .faq__marker { transform: rotate(45deg); }

.faq__body {
  padding: 0 24px 24px;
  color: var(--c-text-sub);
}

/* --- Background grid decoration --- */
.bg-grid { position: relative; }

.bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140,160,220,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,160,220,.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
  background-position: 0 var(--grid-shift, 0);
}

/* --- Scroll reveal --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}

[data-reveal].is-shown { opacity: 1; transform: none; }
[data-reveal="left"]  { transform: translateX(-28px); }
[data-reveal="right"] { transform: translateX(28px); }
[data-reveal="zoom"]  { transform: scale(.94); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(6,9,19,0) 0%, rgba(6,9,19,.85) 78%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding-inline: 24px;
}

.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.35;
  max-width: 18em;
}

.hero__sub {
  max-width: 42em;
  color: var(--c-text-sub);
  font-size: 1.05rem;
}

/* --- Scroll indicator --- */
.scroll-line {
  position: absolute;
  bottom: 40px;
  left: 50%;
  width: 1px;
  height: 72px;
  overflow: hidden;
}

.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, var(--c-accent));
  animation: scrollLine 2.2s var(--ease-inout) infinite;
}

@keyframes scrollLine {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* --- CV band --- */
.cv-band {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cv-band::before {
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  left: 50%;
  top: 50%;
  translate: -50% calc(-50% + var(--orb-y, 0px));
  background: radial-gradient(circle, rgba(108,92,232,.18), rgba(55,214,232,.10) 40%, transparent 70%);
  animation: breathe 6s var(--ease-inout) infinite;
  pointer-events: none;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .8; }
  50%      { transform: scale(1.18); opacity: 1; }
}

.cv-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cv-band__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.chip {
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: var(--fs-small);
  color: var(--c-text-sub);
}

/* --- Timeline --- */
.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline__item {
  position: relative;
  padding: 0 0 48px 40px;
  border-left: 1px solid var(--c-line);
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: var(--glow-sm);
}

.timeline__step {
  font-family: var(--font-en);
  font-size: var(--fs-eyebrow);
  letter-spacing: .1em;
  color: var(--c-accent);
}

.timeline__item h3 { margin-top: 8px; font-size: var(--fs-h3); }
.timeline__item p { margin-top: 8px; color: var(--c-text-sub); }

/* --- Compare cards (PM/AM) --- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.compare__card {
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
  padding: 32px;
}

.compare__card--highlight {
  border-color: rgba(55,214,232,.4);
  background: linear-gradient(160deg, rgba(55,214,232,.06), rgba(108,92,232,.03));
}

.compare__label {
  font-family: var(--font-en);
  font-size: var(--fs-eyebrow);
  letter-spacing: .1em;
  color: var(--c-text-faint);
}

.compare__card--highlight .compare__label { color: var(--c-accent); }

.compare__card h3 { margin-top: 12px; font-size: var(--fs-h3); }
.compare__card p { margin-top: 16px; color: var(--c-text-sub); }

/* --- Service icon grid --- */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.icon-grid__item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.icon-grid__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(55,214,232,.16), rgba(108,92,232,.1));
  border: 1px solid var(--c-line);
  display: grid;
  place-items: center;
  color: var(--c-accent);
}

.icon-grid__item h3 { font-size: 1rem; font-weight: 700; }
.icon-grid__item p { font-size: var(--fs-small); color: var(--c-text-sub); }

/* --- Quote block --- */
.quote-block {
  border-left: 2px solid var(--c-accent);
  padding-left: 32px;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
  line-height: 1.7;
}

/* --- News list --- */
.news-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.news-tabs__btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  color: var(--c-text-sub);
  font-size: var(--fs-small);
  transition: border-color .3s, color .3s;
}

.news-tabs__btn[aria-selected="true"] {
  border-color: var(--c-accent);
  color: var(--c-text);
}

.news-list { display: flex; flex-direction: column; }

.news-list__item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line);
  transition: opacity .3s;
}

.news-list__item a {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  flex-wrap: wrap;
}

.news-list__date {
  font-family: var(--font-en);
  font-size: var(--fs-small);
  color: var(--c-text-faint);
  flex: none;
}

.news-list__tag {
  font-size: .7rem;
  letter-spacing: .05em;
  color: var(--c-accent);
  border: 1px solid rgba(55,214,232,.3);
  border-radius: 999px;
  padding: 4px 12px;
  flex: none;
}

.news-list__title {
  color: var(--c-text);
  flex: 1;
  min-width: 200px;
}

.news-list__item a:hover .news-list__title,
.news-list__item a:focus-visible .news-list__title { color: var(--c-accent); }

/* --- Article --- */
.article-head { margin-bottom: var(--sp-block); }
.article-head time { font-family: var(--font-en); color: var(--c-text-faint); font-size: var(--fs-small); }
.article-head h1 { margin-top: 12px; font-size: var(--fs-h2); }

.article-body { max-width: 42em; }
.article-body p + p { margin-top: 1.6em; }

/* --- Mobile drawer --- */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--c-bg);
  clip-path: circle(0 at calc(100% - 40px) 40px);
  transition: clip-path .6s var(--ease-inout);
  display: none;
}

body.nav-open .nav-drawer {
  clip-path: circle(150% at calc(100% - 40px) 40px);
}

.nav-drawer__list {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav-drawer__list li {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s var(--ease-out), transform .4s var(--ease-out);
}

body.nav-open .nav-drawer__list li {
  opacity: 1;
  transform: none;
}

.nav-drawer__list a {
  font-size: 1.4rem;
  font-weight: 700;
}

body.nav-open { overflow: hidden; }

/* --- Scroll-driven scenes (v1.1 追補) --- */
.scene { height: calc(var(--len) * 100vh); position: relative; }
.scene__sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; }
.act {
  position: absolute;
  inset: var(--header-h) 0 0 0;
  display: grid;
  place-items: center;
  text-align: center;
  pointer-events: none;
  padding-inline: 24px;
}
/* JS無効時にコンテンツを永久非表示にしないよう、初期非表示はhtml.js配下でのみ適用 */
html.js .act { opacity: 0; }

.no-scrub .scene { height: auto; }
.no-scrub .scene__sticky { position: static; height: auto; overflow: visible; }
.no-scrub .act {
  position: relative;
  z-index: 1;
  opacity: 1 !important;
  transform: none !important;
  pointer-events: auto;
  padding-block: var(--sp-block);
}
.no-scrub .act:first-of-type { padding-top: calc(var(--header-h) + var(--sp-block)); }

/* S1: ヒーロー3幕 */
.hero-scene .hero__bg { position: absolute; inset: 0; will-change: transform, opacity; }
.hero__bg-photo { position: absolute; inset: 0; opacity: .35; }
.hero__bg-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-scene .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(6,9,19,0) 0%, rgba(6,9,19,.85) 78%);
  pointer-events: none;
}
.hero-scene .hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.35;
  max-width: 18em;
}
.hero-scene .hero__title em {
  font-style: normal;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-scene .hero__lead { max-width: 42em; margin-top: 24px; color: var(--c-text-sub); font-size: 1.05rem; }
.hero-scene .hero__cta { margin-top: 32px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.no-scrub .hero-scene .scene__sticky { position: relative; min-height: 100svh; }

/* S2: ミッション行クリップ読み上げ */
[data-scene="mission"] .scene__sticky {
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}
.no-scrub[data-scene="mission"] .scene__sticky,
.no-scrub [data-scene="mission"] .scene__sticky {
  padding-top: calc(var(--header-h) + var(--sp-block));
}
.line-mask { display: block; overflow: hidden; }
.line-mask > span { display: block; will-change: transform; }
html.js .line-mask > span { transform: translateY(110%); }
.mission__body { font-size: var(--fs-h3); line-height: 2.4; }
.no-scrub .line-mask > span { transform: none; }

/* S3: 強み横スクロール */
.h-scroll { display: flex; align-items: center; }
.h-scroll__head { position: absolute; top: calc(var(--header-h) + 24px); left: 8vw; }
/* padding-rightを広めに取り、カード幅が768pxでmin(560px,78vw)に達し切ってもワイド画面で横スクロール量がゼロにならないようにする */
.h-track { display: flex; gap: 48px; padding-left: 8vw; padding-right: 48vw; will-change: transform; }
.strength-card { flex: 0 0 min(560px, 78vw); padding: 56px; }
.strength-card__num {
  font-family: var(--font-en);
  font-size: 3rem;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.no-scrub .h-scroll {
  flex-direction: column;
  align-items: stretch;
  padding-top: var(--header-h);
}
.no-scrub .h-track { flex-direction: column; transform: none !important; padding-left: 24px; padding-right: 24px; }
.no-scrub .strength-card { flex: 0 0 auto; }
.no-scrub .h-scroll__head { position: static; margin-bottom: var(--sp-block); }

/* S4: 数字で見るMJS(建物線画+カウンタ) */
[data-scene="stats"] .scene__sticky {
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}
.no-scrub[data-scene="stats"] .scene__sticky,
.no-scrub [data-scene="stats"] .scene__sticky {
  padding-top: calc(var(--header-h) + var(--sp-block));
}
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
  width: 100%;
}
.stats__bp {
  width: min(400px, 38vw);
  justify-self: center;
  filter: drop-shadow(0 0 14px rgba(55,214,232,.25));
}
.no-scrub .stats__bp path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
.stats__nums dl { margin-top: var(--sp-block); display: flex; flex-direction: column; gap: 24px; }
.stats__nums .stat { text-align: left; }
.stats__nums dt { font-size: var(--fs-small); color: var(--c-text-sub); }
.stats__nums dd { margin: 0; }

@media (max-width: 768px) {
  .stats { grid-template-columns: 1fr; }
  .stats__bp { width: min(280px, 70vw); }
}

/* ==================================================================
   v1.2 追補: イントロ / スタンプ / ライトテーマ / トランジション / 写真
   ================================================================== */

/* --- E1: オープニング企業名イントロ --- */
.intro { position: fixed; inset: 0; z-index: 100; background: var(--c-bg);
  display: grid; place-items: center; text-align: center; }
html.intro-lock { overflow: hidden; }

.intro__en { display: flex; justify-content: center; flex-wrap: wrap;
  font-family: var(--font-en); font-weight: 700; letter-spacing: .14em;
  font-size: clamp(1.3rem, 4.2vw, 3rem); color: var(--c-text); }
.intro__en span { opacity: 0; transform: translateY(.6em) rotate(4deg);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.intro.is-run .intro__en span { opacity: 1; transform: none; }

/* 文字出現後、グラデの光が左→右へ走る */
.intro.is-run .intro__en { background: linear-gradient(100deg,
    transparent 20%, rgba(55,214,232,.9) 45%, rgba(108,92,232,.9) 55%, transparent 80%)
    no-repeat -150% 0 / 150% 100%;
  -webkit-background-clip: text; background-clip: text;
  animation: introSweep 1s var(--ease-inout) 1.1s forwards; }
@keyframes introSweep { to { background-position: 250% 0; } }

.intro__ja { display: block; margin-top: 20px; color: var(--c-text-sub);
  font-size: var(--fs-small); letter-spacing: .1em;
  opacity: 0; transition: opacity .8s var(--ease-out) 1.2s; }
.intro.is-run .intro__ja { opacity: 1; }

/* 退場: ストライプが下から立ち上がり全面を覆う → 全体フェードで本編へ */
.intro__stripes { position: absolute; inset: 0; display: grid;
  grid-template-columns: repeat(5, 1fr); pointer-events: none; }
.intro__stripes i { background: var(--grad-accent);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .55s var(--ease-inout); }
.intro.is-exit .intro__stripes i:nth-child(1) { transition-delay: 0ms; }
.intro.is-exit .intro__stripes i:nth-child(2) { transition-delay: 70ms; }
.intro.is-exit .intro__stripes i:nth-child(3) { transition-delay: 140ms; }
.intro.is-exit .intro__stripes i:nth-child(4) { transition-delay: 210ms; }
.intro.is-exit .intro__stripes i:nth-child(5) { transition-delay: 280ms; }
.intro.is-exit .intro__stripes i { transform: scaleY(1); }
.intro.is-exit .intro__logo { opacity: 0; transition: opacity .3s; }
.intro.is-exit { opacity: 0; transition: opacity .4s var(--ease-out) 1s; }

/* --- E2: スタンプ演出 --- */
.stamp { position: relative; will-change: transform, opacity; }
.stamp::after { content: ""; position: absolute; inset: -14%;
  border: 2px solid rgba(55,214,232,.55); border-radius: 8px;
  opacity: 0; pointer-events: none; }
.is-stamped .stamp::after { animation: stampRing .7s var(--ease-out) forwards; }
@keyframes stampRing {
  0%   { opacity: .9; transform: scale(.85); }
  100% { opacity: 0;  transform: scale(1.45); }
}
.is-stamped .stamp-shake { animation: stampShake .28s linear; }
@keyframes stampShake {
  25% { transform: translate(2px, -2px); } 50% { transform: translate(-2px, 1px); }
  75% { transform: translate(1px, 2px); }
}
.no-scrub .stamp { transform: none !important; opacity: 1 !important; }

/* CVバンドの無料バッジ: 通常セクション(≒1画面丈)はscrub進捗の有効域が短すぎて
   スクロール速度次第で着地前に画面外へ流れてしまうため、IntersectionObserverの
   一回限り表示に切り替える(main.js参照)。opacity:0が初期状態でJS未実行でも隠れ続けない
   よう、html.js配下でのみ初期非表示にする。 */
html.js .stamp.cv-band__badge,
html.js .stamp.stamp-once { opacity: 0; transform: scale(4.5); }
@keyframes badgeStampIn {
  0%   { opacity: 0; transform: scale(4.5); }
  100% { opacity: 1; transform: scale(1); }
}
.stamp.cv-band__badge.is-stamped-once,
.stamp.stamp-once.is-stamped-once {
  animation: badgeStampIn .6s cubic-bezier(.34,1.56,.64,1) forwards;
}
.no-scrub .stamp.cv-band__badge,
.no-scrub .stamp.stamp-once { opacity: 1 !important; transform: none !important; }

/* 回転はラッパーで保持（バッジ本体はstamp()にtransformを上書きされるため） */
.cv-band__badge-wrap { display: inline-block; transform: rotate(-6deg); margin-bottom: 16px; }
.cv-band__badge { display: inline-block; padding: .3em .9em; border-radius: 8px;
  font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700;
  background: var(--grad-accent); color: #fff; }
.cv-band__badge.stamp { transform-origin: center; }

/* --- E3: ライトテーマ(白背景セクション) --- */
[data-theme="light"] {
  --c-bg:        #F4F6FB;
  --c-bg-2:      #EAEEF7;
  --c-surface:   #FFFFFF;
  --c-line:      rgba(20, 40, 90, .13);
  --c-text:      #0D1426;
  --c-text-sub:  #46536F;
  --c-text-faint:#8A96B4;
  /* light時はネオン発光ではなく「色つきの柔らかい影」に置き換え */
  --glow-sm: 0 8px 24px rgba(59, 100, 220, .16);
  --glow-md: 0 16px 48px rgba(59, 100, 220, .22);
  background: var(--c-bg); color: var(--c-text);
}
[data-theme="light"] .card { background: var(--c-surface);
  box-shadow: 0 4px 24px rgba(13, 20, 38, .06); backdrop-filter: none; }
[data-theme="light"] .eyebrow { color: #2E6BD8; }  /* シアンは白背景でコントラスト不足 */
[data-theme="light"] .eyebrow::before { background: #2E6BD8; box-shadow: none; }
[data-theme="light"] .grad-text,
[data-theme="light"] .card__num,
[data-theme="light"] .strength-card__num {
  background: linear-gradient(120deg, #2E6BD8 0%, #6C5CE8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
[data-theme="light"] .faq__item { background: var(--c-surface); }
[data-theme="light"] .breadcrumb,
[data-theme="light"] .breadcrumb a,
[data-theme="light"] .news-list__date,
[data-theme="light"] .article-head time {
  color: var(--c-text-sub); /* --c-text-faintは白背景でコントラスト不足(約2.7:1)のため */
}
[data-theme="light"] .breadcrumb li::after { color: var(--c-text-sub); }
[data-theme="light"] .bg-grid::before {
  background-image:
    linear-gradient(rgba(20,40,90,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,40,90,.06) 1px, transparent 1px);
}

/* --- E5: ヘッダーのライトセクション対応 --- */
.site-header.on-light.is-scrolled { background: rgba(244,246,251,.72);
  border-bottom-color: rgba(20,40,90,.12); }
.site-header.on-light { --c-text: #0D1426; --c-text-sub: #46536F; }
.site-header.on-light .logo span { color: #2E6BD8; }  /* シアンは白背景で文字コントラスト不足のため */
.site-header.on-light .nav-dropdown__panel {
  background: rgba(244,246,251,.96);
  border-color: rgba(20,40,90,.12);
}

/* --- T1: グラデーション橋 --- */
.bridge { height: 34vh; }
.bridge--to-light { background: linear-gradient(180deg,
  #060913 0%, #17264D 42%, #8FA8D8 78%, #F4F6FB 100%); }
.bridge--to-dark { background: linear-gradient(180deg,
  #F4F6FB 0%, #8FA8D8 22%, #17264D 58%, #060913 100%); }

/* --- T4: ポータルズーム --- */
.portal__front, .portal__back { position: absolute; inset: 0;
  display: grid; place-items: center; text-align: center; padding-top: var(--header-h); }
.portal__front { will-change: transform, opacity; }
.portal__back { clip-path: circle(0% at 50% 52%); will-change: clip-path; }
.no-scrub .portal__front { position: static; }
.no-scrub .portal__back { display: none; } /* 事業内容の見出しが直後の実セクションと二重表示されるため非表示(前面の「数字は、信頼のかたち。」は表示を維持) */

/* --- E4: デュオトーン写真 --- */
.duo { position: relative; overflow: hidden; }
.duo img { width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(.82); }
.duo::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, #16305E 0%, #3B2E8C 100%);
  mix-blend-mode: color; opacity: .9; }
.duo::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(6,9,19,.35), rgba(6,9,19,.55));
  pointer-events: none; }

.photo-band { height: 64vh; }
.photo-band img { transform: scale(1.15); will-change: transform; }

.photo-card { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; }
.photo-card img { filter: saturate(.9); }
.photo-portrait { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 3/4; }

/* ==================================================================
   pages
   ================================================================== */

body.page-home .hero { background: var(--c-bg); }

body.page-company .spec-table { margin-top: var(--sp-block); }

body.page-checkup .page-hero { min-height: 56vh; }

body.page-news .news-tabs { margin-top: 16px; }

/* ==================================================================
   utilities
   ================================================================== */
.u-center { text-align: center; }
.u-mx-auto { margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.company-lead-grid { grid-template-columns: 280px 1fr; gap: 48px; align-items: start; }

/* ==================================================================
   responsive — 1024px / 768px breakpoints, mobile-first overrides
   ================================================================== */
@media (max-width: 1024px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__cta { grid-column: span 2; }
  .icon-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-main__list,
  .nav-cta .btn-ghost,
  .nav-cta .btn-glow { display: none; }

  .nav-toggle { display: block; }
  .nav-drawer { display: block; }

  .grid-3,
  .grid-2,
  .compare,
  .icon-grid,
  .company-lead-grid { grid-template-columns: 1fr; }

  .site-footer__inner {
    grid-template-columns: 1fr;
    padding: 56px 24px 32px;
    gap: 40px;
    text-align: center;
  }
  .site-footer__cta { grid-column: span 1; align-items: center; }
  .site-footer__brand { display: flex; flex-direction: column; align-items: center; }
  .site-footer__sitemap ul { align-items: center; gap: 8px; }

  .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { padding-bottom: 4px; border: none; }
  .spec-table tr { display: block; padding-block: 12px; }
}