/* ==========================================================================
   株式会社 経営企画推進センター  Corporate Website
   共通デザインシステム  /  Design System
   --------------------------------------------------------------------------
   COLOR       : WHITE #FFFFFF / DARK NAVY #071629 / DEEP NAVY #030B14
                 TEXT BLACK #11151A / TEXT GRAY #66707C / LIGHT GRAY #F3F5F7
                 BORDER GRAY #D9DEE5 / MAIN BLUE #246BCE
   FONT        : Noto Sans JP + Inter / weight 400 500 600 700
   RADIUS      : 0 - 4px ( max 6px )
   BORDER      : 1px solid #D9DEE5
   GRADIENT    : 禁止 / none
   ========================================================================== */

/* ---------------------------------------------------------------
   01. Design tokens
   --------------------------------------------------------------- */
:root {
  /* color */
  --white: #ffffff;
  --navy: #071629;
  --navy-deep: #030b14;
  --black: #11151a;
  --gray: #66707c;
  --gray-light: #f3f5f7;
  --border: #d9dee5;
  --blue: #246bce;

  /* typography */
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  --font-en: "Inter", "Noto Sans JP", sans-serif;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semi: 600;
  --fw-bold: 700;

  /* type scale : desktop */
  --fs-fv: 68px;
  --fs-lead: 50px;
  --fs-h2: 42px;
  --fs-h3: 26px;
  --fs-body: 17px;
  --fs-small: 14px;
  --fs-label: 12px;

  /* line-height */
  --lh-heading: 1.32;
  --lh-body: 1.85;

  /* spacing */
  --sec-y: 120px;
  --gap-content: 60px;
  --gap-block: 28px;

  /* layout */
  --content-max: 1280px;
  --side-pad: 40px;
  --header-h: 84px;

  /* radius / border */
  --radius: 2px;
  --radius-max: 4px;
  --line: 1px solid var(--border);

  /* motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------------------------------------------------------------
   02. Reset / base
   --------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  letter-spacing: 0.02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p,
figure,
ul,
ol,
dl,
dd,
blockquote {
  margin: 0;
}

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

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

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

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

table {
  border-collapse: collapse;
  width: 100%;
}

/* headings : 見出しの行間 1.25 - 1.4 / 単語途中で切らない */
h1,
h2,
h3,
h4 {
  font-weight: var(--fw-semi);
  line-height: var(--lh-heading);
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
  word-break: auto-phrase;
  line-break: strict;
}

h1 {
  font-size: var(--fs-fv);
}
h2 {
  font-size: var(--fs-h2);
}
h3 {
  font-size: var(--fs-h3);
}

p {
  line-height: var(--lh-body);
}

::selection {
  background: var(--navy);
  color: var(--white);
}

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

/* ---------------------------------------------------------------
   03. Layout primitives
   --------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

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

.section--tight {
  padding-block: 84px;
}

.section--gray {
  background: var(--gray-light);
}

.section--navy {
  background: var(--navy);
  color: var(--white);
}

.section--deep {
  background: var(--navy-deep);
  color: var(--white);
}

.section--line-top {
  border-top: var(--line);
}

/* English kicker + Japanese heading 組 */
.sec-head {
  margin-bottom: var(--gap-content);
}

.sec-head__en {
  display: block;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: var(--fw-semi);
  letter-spacing: 0.22em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section--navy .sec-head__en,
.section--deep .sec-head__en {
  color: var(--white);
}

.sec-head__ja {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semi);
  line-height: var(--lh-heading);
  margin-bottom: 28px;
}

.sec-head__lead {
  max-width: 780px;
  color: var(--gray);
}

.section--navy .sec-head__lead,
.section--deep .sec-head__lead {
  color: var(--border);
}

/* 罫線 heading パターン : 英字見出し + 横罫線 */
.sec-head--ruled {
  display: flex;
  align-items: baseline;
  gap: 24px;
  border-bottom: var(--line);
  padding-bottom: 20px;
  margin-bottom: var(--gap-content);
}

.sec-head--ruled .sec-head__en {
  margin: 0;
}

.sec-head--ruled .sec-head__ja {
  margin: 0;
  font-size: 22px;
  font-weight: var(--fw-medium);
}

.section--navy .sec-head--ruled,
.section--deep .sec-head--ruled {
  border-color: rgba(255, 255, 255, 0.24);
}

/* 番号 01 02 03 */
.num {
  font-family: var(--font-en);
  font-size: var(--fs-small);
  font-weight: var(--fw-semi);
  letter-spacing: 0.14em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.section--navy .num,
.section--deep .num {
  color: var(--white);
}

.en-label {
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

.section--navy .en-label,
.section--deep .en-label {
  color: var(--border);
}

.lead-text {
  font-size: 19px;
  line-height: 1.95;
}

/* ---------------------------------------------------------------
   04. Buttons  ( 全ページ共通 )
   --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  min-width: 208px;
  padding-inline: 32px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.btn__arrow {
  font-family: var(--font-en);
  font-size: 13px;
  transition: transform 0.25s var(--ease);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* MAIN CTA */
.btn--main {
  background: var(--navy);
  color: var(--white);
}

.btn--main:hover {
  background: var(--navy-deep);
}

/* SUB CTA */
.btn--sub {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}

.btn--sub:hover {
  background: var(--navy);
  color: var(--white);
}

/* navy 背景上の反転 */
.section--navy .btn--main,
.section--deep .btn--main {
  background: var(--white);
  color: var(--navy);
}

.section--navy .btn--main:hover,
.section--deep .btn--main:hover {
  background: var(--border);
}

.section--navy .btn--sub,
.section--deep .btn--sub {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.section--navy .btn--sub:hover,
.section--deep .btn--sub:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn--block {
  width: 100%;
}

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

/* テキストリンク */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: var(--fw-medium);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.link-arrow:hover {
  border-color: var(--navy);
  color: var(--blue);
}

/* ---------------------------------------------------------------
   05. Header  ( スクロール時固定 )
   --------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--white);
  border-bottom: var(--line);
  transition: box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: var(--header-h);
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand__mark {
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--navy);
  display: grid;
  place-items: center;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.02em;
  color: var(--navy);
  border-radius: var(--radius);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand__name {
  font-size: 16px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  line-height: 1.3;
  white-space: nowrap;
}

.brand__en {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  white-space: nowrap;
}

/* nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav__link {
  position: relative;
  font-size: 15px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  padding-block: 6px;
  white-space: nowrap;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__cta {
  height: 46px;
  min-width: 172px;
  padding-inline: 24px;
}

/* hamburger */
.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: var(--line);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  padding: 0;
  place-items: center;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--navy);
  transition: background-color 0.2s var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 1.5px;
  background: var(--navy);
  transition: transform 0.3s var(--ease);
}

.nav-toggle__bars::before {
  top: -6px;
}
.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------------------------------------------------------------
   06. First view
   --------------------------------------------------------------- */
.fv {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 108px);
  padding-bottom: 96px;
  background: var(--white);
  border-bottom: var(--line);
}

/* 背景 : グリッド / 罫線 / 英単語 / 座標 を抽象的に配置 */
.fv__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
      to right,
      var(--border) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 160px 100%, 100% 160px;
  opacity: 0.5;
}

.fv__words {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  user-select: none;
}

.fv__word {
  position: absolute;
  font-family: var(--font-en);
  font-weight: var(--fw-semi);
  letter-spacing: 0.14em;
  color: var(--navy);
  opacity: 0.06;
  white-space: nowrap;
  line-height: 1;
}

.fv__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.fv__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.fv__meta::before {
  content: "";
  width: 56px;
  height: 1px;
  background: var(--navy);
  flex: none;
}

.fv__copy {
  font-size: var(--fs-fv);
  font-weight: var(--fw-semi);
  line-height: 1.22;
  letter-spacing: 0.01em;
  max-width: 15em;
  margin-bottom: 36px;
}

.fv__sub {
  font-size: 21px;
  font-weight: var(--fw-medium);
  line-height: 1.7;
  color: var(--navy);
  max-width: 30em;
  margin-bottom: 28px;
}

.fv__desc {
  max-width: 640px;
  color: var(--gray);
  margin-bottom: 48px;
}

.fv__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.fv__stats {
  display: flex;
  gap: 0;
  border-top: var(--line);
}

.fv__stat {
  padding: 22px 32px 0 0;
  margin-right: 32px;
  border-right: var(--line);
  min-width: 150px;
}

.fv__stat:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.fv__stat dt {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 10px;
}

.fv__stat dd {
  font-size: 15px;
  font-weight: var(--fw-medium);
  line-height: 1.6;
}

/* ---------------------------------------------------------------
   07. Introduction
   --------------------------------------------------------------- */
.intro__body {
  max-width: 800px;
  color: var(--gray);
  font-size: var(--fs-body);
}

.intro__body p + p {
  margin-top: 24px;
}

.intro__body strong {
  font-weight: var(--fw-semi);
  color: var(--black);
}

/* ---------------------------------------------------------------
   08. OUR SERVICES  ( 4分割グリッド / カード風にしない )
   --------------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--line);
  border-left: var(--line);
}

.service-item {
  border-right: var(--line);
  border-bottom: var(--line);
  padding: 40px 28px 44px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--white);
  transition: background-color 0.3s var(--ease);
}

.service-item:hover {
  background: var(--gray-light);
}

.service-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.service-item__icon {
  width: 40px;
  height: 40px;
  flex: none;
  color: var(--navy);
}

.service-item__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.service-item__ja {
  font-size: 20px;
  font-weight: var(--fw-semi);
  line-height: 1.45;
  min-height: 3.6em;
}

.service-item__en {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

.service-item__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------------------------------------------------------------
   09. SUPPORT STRUCTURE  ( 支援体制のコンパクトな図解 )
   専門家 → 当社（窓口）→ お客様 の流れを1画面前後で把握できる構成
   --------------------------------------------------------------- */
.sec-head--compact {
  margin-bottom: 36px;
}

.flow {
  border-top: var(--line);
  padding-top: 32px;
}

/* --- 上段 : 専門家 --- */
.flow__experts {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: center;
}

.flow__experts-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.flow__experts-label {
  font-size: 16px;
  font-weight: var(--fw-semi);
  color: var(--navy);
  line-height: 1.4;
}

.flow__tag {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}

.flow__tag--light {
  color: var(--border);
}

.flow__experts-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.flow__experts-list li {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 14px 10px;
  text-align: center;
}

.flow__expert-ja {
  display: block;
  font-size: 15px;
  font-weight: var(--fw-semi);
  line-height: 1.4;
  margin-bottom: 4px;
}

.flow__expert-en {
  display: block;
  font-size: 11px;
  color: var(--gray);
  line-height: 1.4;
}

/* --- 連結線 --- */
.flow__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-block: 6px;
}

.flow__link-line {
  position: relative;
  display: block;
  width: 1px;
  height: 24px;
  background: var(--border);
}

.flow__link-line::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--gray);
  border-bottom: 1px solid var(--gray);
  transform: translateX(-50%) rotate(45deg);
  animation: flow-nudge 2.4s var(--ease) infinite;
}

@keyframes flow-nudge {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
}

.flow__link-text {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray);
  text-align: center;
  line-height: 1.5;
}

/* --- 中段 : 当社（お客様の窓口） --- */
.flow__core {
  display: grid;
  grid-template-columns: 330px 1fr;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}

.flow__core-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 24px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.flow__core-name {
  font-size: 19px;
  font-weight: var(--fw-semi);
  line-height: 1.45;
}

.flow__core-role {
  font-size: 13px;
  line-height: 1.65;
  color: var(--border);
}

.flow__duties {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 18px;
  align-content: center;
  padding: 22px 28px;
}

.flow__duties li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--border);
}

.flow__duties li::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  border: 1px solid var(--white);
  border-radius: 50%;
  transform: translateY(-2px);
}

/* --- 下段 : お客様 --- */
.flow__client {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border: 1px solid var(--navy);
  border-radius: var(--radius);
  background: var(--white);
  padding: 20px 28px;
}

.flow__client-name {
  font-size: 19px;
  font-weight: var(--fw-semi);
  color: var(--navy);
}

/* --- コピー --- */
.structure__copy {
  border-top: var(--line);
  margin-top: 44px;
  padding-top: 36px;
}

.structure__copy-text {
  font-size: 28px;
  font-weight: var(--fw-semi);
  line-height: 1.5;
  margin-bottom: 20px;
}

.structure__note {
  color: var(--gray);
  max-width: 760px;
}

/* ---------------------------------------------------------------
   11. OUR APPROACH  ( もれなく、抜かりなく。 )
   --------------------------------------------------------------- */
.approach__copy {
  font-size: var(--fs-lead);
  font-weight: var(--fw-semi);
  line-height: 1.3;
  margin-bottom: 22px;
}

.approach__sub {
  font-size: 20px;
  font-weight: var(--fw-medium);
  line-height: 1.7;
  color: var(--border);
  margin-bottom: 32px;
  max-width: 40em;
}

.approach__desc {
  max-width: 720px;
  color: var(--border);
  margin-bottom: 64px;
}

.approach__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.approach-item {
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  padding: 34px 26px 38px;
}

.approach-item__num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.14em;
  color: var(--white);
  display: block;
  margin-bottom: 26px;
}

.approach-item__en {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--border);
  display: block;
  margin-bottom: 10px;
}

.approach-item__ja {
  font-size: 19px;
  font-weight: var(--fw-semi);
}

/* ---------------------------------------------------------------
   12. CASE / TOPICS
   --------------------------------------------------------------- */
.posts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}

.post-card {
  display: flex;
  flex-direction: column;
  border-top: var(--line);
  padding-top: 24px;
  transition: opacity 0.25s var(--ease);
}

.post-card:hover {
  opacity: 0.72;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.post-card__cat {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--white);
  background: var(--navy);
  padding: 5px 10px;
  border-radius: var(--radius);
}

.post-card__cat--news {
  background: var(--gray);
}

.post-card__cat--column {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.post-card__date {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  color: var(--gray);
  font-variant-numeric: tabular-nums;
}

.post-card__thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-light);
  border: var(--line);
  margin-bottom: 20px;
}

.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card__title {
  font-size: 19px;
  font-weight: var(--fw-semi);
  line-height: 1.5;
  margin-bottom: 12px;
}

.post-card__company {
  font-size: 13px;
  color: var(--gray);
  margin-top: auto;
}

/* 一覧ページ */
.posts__list {
  border-top: var(--line);
}

.post-row {
  display: grid;
  grid-template-columns: 190px 1fr auto;
  gap: 32px;
  align-items: center;
  padding-block: 28px;
  border-bottom: var(--line);
  transition: background-color 0.25s var(--ease);
}

.post-row:hover {
  background: var(--gray-light);
}

.post-row__thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-light);
  border: var(--line);
}

.post-row__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-row__cat {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  display: block;
  margin-bottom: 10px;
}

.post-row__title {
  font-size: 19px;
  font-weight: var(--fw-semi);
  line-height: 1.5;
  margin-bottom: 10px;
}

.post-row__company {
  font-size: 13px;
  color: var(--gray);
}

.post-row__date {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--gray);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.post-row--noimg {
  grid-template-columns: 1fr auto;
}

/* filter */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter__btn {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 22px;
  border: var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.filter__btn:hover {
  color: var(--navy);
  border-color: var(--navy);
}

.filter__btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ---------------------------------------------------------------
   13. CTA band
   --------------------------------------------------------------- */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding-block: 110px;
}

.cta-band__copy {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semi);
  line-height: 1.32;
  margin-bottom: 26px;
  max-width: 24em;
}

.cta-band__desc {
  color: var(--border);
  max-width: 660px;
  margin-bottom: 40px;
}

.cta-band__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 56px;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------
   14. Footer
   --------------------------------------------------------------- */
.site-footer {
  background: var(--navy-deep);
  color: var(--white);
  padding-top: 76px;
  padding-bottom: 40px;
}

.site-footer__top {
  display: flex;
  justify-content: space-between;
  gap: 56px;
  flex-wrap: wrap;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.site-footer__brand-name {
  font-size: 20px;
  font-weight: var(--fw-semi);
  line-height: 1.5;
  margin-bottom: 10px;
}

.site-footer__brand-en {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--border);
}

.site-footer__nav {
  display: flex;
  gap: 72px;
  flex-wrap: wrap;
}

.site-footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.site-footer__nav a {
  font-size: 14px;
  color: var(--border);
  transition: color 0.25s var(--ease);
}

.site-footer__nav a:hover {
  color: var(--white);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  font-size: 12px;
  color: var(--gray);
}

.site-footer__bottom a {
  color: var(--border);
}

.site-footer__bottom a:hover {
  color: var(--white);
}

/* ---------------------------------------------------------------
   15. Sub page first view
   --------------------------------------------------------------- */
.page-head {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border-bottom: var(--line);
  padding-top: calc(var(--header-h) + 84px);
  padding-bottom: 64px;
}

.page-head__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
      to right,
      var(--border) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 160px 100%, 100% 160px;
  opacity: 0.5;
}

.page-head__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.page-head__en {
  font-family: var(--font-en);
  font-size: clamp(40px, 9vw, 84px);
  font-weight: var(--fw-semi);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--navy);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-head__ja {
  font-size: 22px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* breadcrumb */
.breadcrumb {
  border-bottom: var(--line);
  background: var(--white);
}

/* サブページ先頭（FV なし）で固定ヘッダー分の余白を作る */
.breadcrumb--offset {
  padding-top: var(--header-h);
}

.breadcrumb__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 16px var(--side-pad);
  font-size: 12px;
  color: var(--gray);
}

.breadcrumb a:hover {
  color: var(--blue);
}

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

/* ---------------------------------------------------------------
   16. COMPANY page blocks
   --------------------------------------------------------------- */
.mission {
  background: var(--navy);
  color: var(--white);
}

.mission__en {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--border);
  display: block;
  margin-bottom: 32px;
}

.mission__copy {
  font-size: var(--fs-lead);
  font-weight: var(--fw-semi);
  line-height: 1.42;
  max-width: 26em;
}

.value__copy {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semi);
  line-height: 1.3;
  margin-bottom: 20px;
}

.value__sub {
  font-size: 20px;
  font-weight: var(--fw-medium);
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 42em;
}

.value__body {
  max-width: 820px;
  color: var(--gray);
  margin-bottom: 64px;
}

.value__body p + p {
  margin-top: 22px;
}

.value__body strong {
  font-weight: var(--fw-semi);
  color: var(--black);
}

.value__items {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: var(--line);
  border-left: var(--line);
}

.value-item {
  border-right: var(--line);
  border-bottom: var(--line);
  padding: 28px 22px;
  background: var(--white);
}

.value-item__num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.14em;
  color: var(--blue);
  display: block;
  margin-bottom: 16px;
}

.value-item__ja {
  font-size: 16px;
  font-weight: var(--fw-semi);
  line-height: 1.5;
}

/* CEO message */
.ceo__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 72px;
  align-items: start;
}

.ceo__photo {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: var(--line);
  background: var(--gray-light);
}

.ceo__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.ceo__caption {
  margin-top: 18px;
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}

.ceo__copy {
  font-size: 32px;
  font-weight: var(--fw-semi);
  line-height: 1.42;
  margin-bottom: 32px;
}

.ceo__body {
  color: var(--gray);
}

.ceo__body p + p {
  margin-top: 20px;
}

.ceo__sign {
  margin-top: 40px;
  padding-top: 24px;
  border-top: var(--line);
  font-size: 14px;
  color: var(--gray);
}

.ceo__sign strong {
  display: block;
  font-size: 17px;
  font-weight: var(--fw-semi);
  color: var(--black);
  margin-bottom: 6px;
}

/* profile table */
.profile-table {
  border-top: 1px solid var(--border);
}

.profile-table th,
.profile-table td {
  border-bottom: var(--line);
  padding: 24px 8px;
  text-align: left;
  vertical-align: top;
  font-size: 16px;
  line-height: 1.8;
}

.profile-table th {
  width: 220px;
  font-weight: var(--fw-medium);
  color: var(--navy);
  white-space: nowrap;
}

.profile-table td {
  color: var(--black);
}

.profile-table ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-table ul li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.profile-table ul li::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  transform: translateY(-2px);
}

.placeholder {
  color: var(--gray);
  letter-spacing: 0.1em;
}

/* ---------------------------------------------------------------
   17. Article detail
   --------------------------------------------------------------- */
.article {
  padding-top: 64px;
}

.article__inner {
  max-width: 900px;
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.article__cat {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy);
  padding: 6px 12px;
  border-radius: var(--radius);
  display: inline-block;
  margin-bottom: 24px;
}

.article__cat--news {
  background: var(--gray);
}

.article__cat--column {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.article__title {
  font-size: 36px;
  font-weight: var(--fw-semi);
  line-height: 1.4;
  margin-bottom: 24px;
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  border-bottom: var(--line);
  font-size: 14px;
  color: var(--gray);
}

.article__meta time {
  font-family: var(--font-en);
  font-variant-numeric: tabular-nums;
}

.article__hero {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: var(--line);
  background: var(--gray-light);
  margin-block: 40px;
}

.article__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article__body {
  color: var(--black);
}

.article__body h2 {
  font-size: 26px;
  font-weight: var(--fw-semi);
  line-height: 1.45;
  margin-block: 56px 22px;
  padding-bottom: 14px;
  border-bottom: var(--line);
}

.article__body h3 {
  font-size: 20px;
  font-weight: var(--fw-semi);
  margin-block: 40px 16px;
}

.article__body p {
  color: var(--gray);
  margin-bottom: 22px;
}

.article__body ul {
  margin-bottom: 24px;
  border-top: var(--line);
}

.article__body ul li {
  border-bottom: var(--line);
  padding: 16px 4px;
  font-size: 16px;
  color: var(--gray);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.article__body ul li::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  transform: translateY(-2px);
}

.article__body blockquote {
  border-left: 3px solid var(--navy);
  padding: 8px 0 8px 28px;
  margin-block: 36px;
  font-size: 19px;
  font-weight: var(--fw-medium);
  line-height: 1.8;
  color: var(--black);
}

.article__profile {
  display: flex;
  gap: 28px;
  align-items: center;
  border: var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-block: 48px;
  background: var(--gray-light);
  flex-wrap: wrap;
}

.article__profile-photo {
  width: 108px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: var(--line);
  flex: none;
  background: var(--white);
}

.article__profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article__profile-name {
  font-size: 18px;
  font-weight: var(--fw-semi);
  margin-bottom: 6px;
}

.article__profile-role {
  font-size: 14px;
  color: var(--gray);
}

/* 注意書き */
.notice {
  border: var(--line);
  border-left: 3px solid var(--navy);
  background: var(--gray-light);
  padding: 20px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
  margin-block: 32px;
}

/* 関連 */
.article__related {
  border-top: var(--line);
  margin-top: 72px;
  padding-top: 40px;
}

.article__related-title {
  font-size: 18px;
  font-weight: var(--fw-semi);
  margin-bottom: 24px;
}

.related-links {
  border-top: var(--line);
}

.related-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-block: 20px;
  border-bottom: var(--line);
  font-size: 16px;
  font-weight: var(--fw-medium);
  transition: color 0.25s var(--ease);
}

.related-links a:hover {
  color: var(--blue);
}

/* ---------------------------------------------------------------
   18. Contact form
   --------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 72px;
  align-items: start;
}

.contact__aside {
  position: sticky;
  top: calc(var(--header-h) + 40px);
}

.contact__aside-title {
  font-size: 19px;
  font-weight: var(--fw-semi);
  line-height: 1.6;
  margin-bottom: 24px;
}

.contact__aside-list {
  border-top: var(--line);
}

.contact__aside-list li {
  border-bottom: var(--line);
  padding-block: 16px;
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

.contact__aside-list strong {
  display: block;
  font-size: 15px;
  font-weight: var(--fw-semi);
  color: var(--black);
  margin-bottom: 4px;
}

.form {
  border-top: var(--line);
}

.field {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  padding-block: 26px;
  border-bottom: var(--line);
  align-items: start;
}

.field__label {
  font-size: 15px;
  font-weight: var(--fw-medium);
  padding-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.field__req {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--navy);
  padding: 3px 7px;
  border-radius: var(--radius);
  line-height: 1.4;
}

.field__control {
  min-width: 0;
}

.field__hint {
  font-size: 13px;
  color: var(--gray);
  margin-top: 8px;
}

.input,
.select,
.textarea {
  width: 100%;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 14px 16px;
  font-size: 16px;
  line-height: 1.6;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  min-width: 0;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--gray);
  opacity: 0.7;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(7, 22, 41, 0.07);
}

.textarea {
  min-height: 190px;
  resize: vertical;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23071629' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.checkbox input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 4px 0 0;
  accent-color: #071629;
  cursor: pointer;
}

.checkbox span {
  font-size: 15px;
  line-height: 1.7;
}

.form__submit {
  padding-top: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.form__submit .btn {
  max-width: 380px;
  width: 100%;
  height: 54px;
}

.form__note {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
}

/* validation */
.field__error {
  display: none;
  font-size: 13px;
  color: var(--black);
  border-left: 2px solid var(--navy);
  padding-left: 10px;
  margin-top: 8px;
  font-weight: var(--fw-medium);
}

.field.has-error .input,
.field.has-error .select,
.field.has-error .textarea {
  border-color: var(--navy);
  background: var(--gray-light);
}

.field.has-error .field__error {
  display: block;
}

/* form message */
.form-message {
  display: none;
  border: var(--line);
  border-left: 3px solid var(--navy);
  padding: 28px 32px;
  background: var(--gray-light);
  margin-bottom: 40px;
}

.form-message.is-visible {
  display: block;
}

.form-message__title {
  font-size: 18px;
  font-weight: var(--fw-semi);
  margin-bottom: 10px;
}

.form-message__body {
  font-size: 15px;
  color: var(--gray);
}

/* ボタン行の間隔 */
.btn-row {
  margin-top: 48px;
}

.btn-row--wide {
  margin-top: 56px;
}

.article__related--flush {
  border-top: none;
  padding-top: 0;
}

.caption-note {
  font-size: 12px;
  display: block;
  margin-top: 4px;
}

.lead-text--spaced {
  max-width: 820px;
  margin-bottom: 56px;
}

/* 記事内の補足文 */
.article__aside-note {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.8;
  margin-top: 20px;
}

/* インラインリンク（下線） */
.link-underline {
  border-bottom: 1px solid var(--border);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.link-underline:hover {
  border-color: var(--navy);
  color: var(--blue);
}

/* ---------------------------------------------------------------
   19. Privacy page
   --------------------------------------------------------------- */
.policy {
  max-width: 880px;
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.policy h2 {
  font-size: 22px;
  font-weight: var(--fw-semi);
  margin-block: 48px 18px;
  padding-bottom: 12px;
  border-bottom: var(--line);
}

.policy h2:first-of-type {
  margin-top: 0;
}

.policy p {
  color: var(--gray);
  margin-bottom: 18px;
}

.policy ol {
  counter-reset: policy;
  border-top: var(--line);
}

.policy ol li {
  border-bottom: var(--line);
  padding: 16px 4px 16px 0;
  display: flex;
  gap: 14px;
  color: var(--gray);
  font-size: 16px;
}

.policy ol li::before {
  counter-increment: policy;
  content: counter(policy, decimal-leading-zero);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: var(--fw-semi);
  color: var(--blue);
  flex: none;
  padding-top: 4px;
}

.policy__date {
  margin-top: 48px;
  font-size: 14px;
  color: var(--gray);
}

/* ---------------------------------------------------------------
   20. Scroll animation ( 控えめ )
   --------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.rule-grow {
  height: 1px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease);
}

.rule-grow.is-in {
  transform: scaleX(1);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .rule-grow {
    transform: scaleX(1);
  }
}

/* skip link */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--navy);
  color: var(--white);
  padding: 12px 20px;
  font-size: 14px;
  border-radius: var(--radius);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

.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;
}