/* ============================================================
   合同会社Strongers — コーポレートサイト スタイル
   ============================================================ */

/* --- カラートークン --- */
:root {
  --color-primary:       #1A3A5C;
  --color-primary-light: #2563A8;
  --color-accent:        #E8A020;
  --color-accent-hover:  #CF8C18;
  --color-bg:            #FAFAFA;
  --color-bg-alt:        #F0F4F8;
  --color-surface:       #FFFFFF;
  --color-text:          #1A1A2E;
  --color-text-muted:    #5A6475;
  --color-border:        #D8DFE8;
  --color-footer-bg:     #0F1E2D;
  --color-footer-text:   #C8D4E0;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-pill: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

  --max-w: 1200px;
  --header-h: 72px;

  --font-jp: 'Noto Sans JP', sans-serif;
}

/* --- リセット & ベース --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* --- 禁則処理 --- */
p, h1, h2, h3, h4, li, dt, dd, th, td, span {
  line-break: strict;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* --- スクロールマージン --- */
[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* --- コンテナ --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

/* --- セクション共通 --- */
.section {
  padding-block: 80px;
}

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

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 55ch;
}

.section-header {
  margin-bottom: 48px;
}

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding-inline: 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: background 130ms ease-out, transform 130ms ease-out, box-shadow 130ms ease-out;
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(232,160,32,.35);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 14px rgba(232,160,32,.40);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn--lg {
  height: 56px;
  padding-inline: 36px;
  font-size: 1rem;
}

/* ================================================================
   ヘッダー
================================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.125rem;
  letter-spacing: -0.04em;
  flex-shrink: 0;
}

.header__logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.header__logo-sub {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-weight: 400;
  display: block;
  margin-top: -2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color 130ms ease-out;
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-light);
  transform: scaleX(0);
  transition: transform 130ms ease-out;
}

.header__nav-link:hover,
.header__nav-link.is-active {
  color: var(--color-primary);
}

.header__nav-link:hover::after,
.header__nav-link.is-active::after {
  transform: scaleX(1);
}

.header__cta {
  margin-left: 8px;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 250ms ease-out, opacity 200ms ease-out;
}

/* ドロワー */
.drawer {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  padding: 32px 24px;
  flex-direction: column;
  gap: 24px;
  z-index: 99;
  overflow-y: auto;
}

.drawer.is-open {
  display: flex;
}

.drawer__link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  padding-block: 12px;
  border-bottom: 1px solid var(--color-border);
}

/* ページオフセット */
.page-body {
  padding-top: var(--header-h);
}

/* ================================================================
   ヒーロー
================================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0F2744 60%, #0A1E35 100%);
  color: #fff;
  padding-block: 96px 80px;
  overflow: hidden;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  background: #fff;
}

.hero__shape--1 {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
}

.hero__shape--2 {
  width: 320px;
  height: 320px;
  bottom: -80px;
  left: 10%;
}

.hero__shape--3 {
  width: 160px;
  height: 160px;
  top: 40%;
  left: 5%;
  opacity: 0.04;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  color: var(--color-accent);
  border: 1px solid rgba(232,160,32,.4);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.8);
  max-width: 50ch;
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.hero__btn-ghost {
  height: 48px;
  padding-inline: 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.5);
  transition: border-color 130ms ease-out, background 130ms ease-out;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__card-stack {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 380px;
}

.hero__card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero__card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.hero__card-title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

.hero__card-desc {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.7);
  line-height: 1.4;
}

/* ================================================================
   実績バー
================================================================ */
.stats-bar {
  background: var(--color-primary);
  color: #fff;
  padding-block: 32px;
}

.stats-bar__list {
  display: flex;
  justify-content: space-around;
  gap: 32px;
  flex-wrap: wrap;
}

.stats-bar__item {
  text-align: center;
}

.stats-bar__number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.stats-bar__label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.75);
}

/* ================================================================
   サービスカード
================================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.625rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.service-card__highlight {
  margin-top: 20px;
  padding: 12px 16px;
  background: #FFF8EC;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.6;
}

.service-card__link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-light);
  transition: gap 130ms ease-out;
}

.service-card__link:hover {
  gap: 10px;
}

/* PAKU2 バナー */
.paku2-banner {
  background: linear-gradient(135deg, #00855A 0%, #00A86B 100%);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
  box-shadow: var(--shadow-md);
}

.paku2-banner__emoji {
  font-size: 3rem;
  flex-shrink: 0;
}

.paku2-banner__title {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.paku2-banner__sub {
  font-size: 0.875rem;
  margin-bottom: 4px;
  opacity: .9;
}

.paku2-banner__badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.paku2-banner__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: #00855A;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-top: 8px;
  transition: transform 130ms ease-out;
}

.paku2-banner__link:hover {
  transform: translateY(-1px);
}

/* ================================================================
   メンバー
================================================================ */
.members__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.member-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.member-card__header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.member-card__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.75rem;
  font-weight: 900;
  flex-shrink: 0;
}

.member-card__role {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.member-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.member-card__name-kana {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.member-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.member-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.member-card__bio {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ================================================================
   ブログ
================================================================ */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card__thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.blog-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.blog-card__cat {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-primary-light);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
}

.blog-card__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.blog-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
  flex: 1;
}

.blog-card__link {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  padding-top: 12px;
  transition: gap 130ms ease-out;
}

.blog-card__link:hover {
  gap: 8px;
}

/* ================================================================
   お問い合わせフォーム
================================================================ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

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

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact__info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.contact__info-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact__info-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.contact__info-value a {
  color: var(--color-primary-light);
  transition: opacity 130ms ease-out;
}

.contact__info-value a:hover {
  opacity: 0.75;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-required {
  font-size: 0.6875rem;
  background: #E04040;
  color: #fff;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-jp);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 150ms ease-out, box-shadow 150ms ease-out;
}

.form-textarea {
  height: auto;
  min-height: 160px;
  padding: 12px 16px;
  resize: vertical;
  line-height: 1.7;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,168,.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #B0B8C5;
}

.form-privacy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.form-privacy a {
  color: var(--color-primary-light);
  text-decoration: underline;
}

/* ================================================================
   会社概要テーブル
================================================================ */
.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.company-table th,
.company-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  text-align: left;
}

.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  background: var(--color-bg-alt);
}

.company-table td {
  color: var(--color-text);
  line-height: 1.7;
}

/* ================================================================
   Instagram バナー
================================================================ */
.insta-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  padding-block: 56px;
  background: linear-gradient(135deg, #405DE6 0%, #833AB4 50%, #E1306C 100%);
  border-radius: var(--radius-lg);
  color: #fff;
  text-align: center;
}

.insta-banner__icon {
  font-size: 3rem;
}

.insta-banner__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.insta-banner__handle {
  font-size: 1rem;
  opacity: .85;
}

.insta-banner__btn {
  height: 44px;
  padding-inline: 28px;
  border-radius: var(--radius-pill);
  background: #fff;
  color: #833AB4;
  font-weight: 700;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: transform 130ms ease-out;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.insta-banner__btn:hover {
  transform: translateY(-1px);
}

/* ================================================================
   フッター
================================================================ */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer__top {
  padding-block: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__top-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
}

.footer__brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
}

.footer__col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,.55);
  transition: color 130ms ease-out;
}

.footer__col-link:hover {
  color: rgba(255,255,255,.9);
}

.footer__bottom {
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.35);
}

/* ================================================================
   ページヘッダー（内部ページ用）
================================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0F2744 100%);
  color: #fff;
  padding-block: 72px 56px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 12px;
}

.page-hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,.75);
  max-width: 50ch;
}

/* パンくず */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255,255,255,.6);
  transition: color 130ms ease-out;
}

.breadcrumb a:hover {
  color: #fff;
}

/* ================================================================
   ブログ詳細
================================================================ */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.post-body {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.post-body h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.post-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 20px;
}

.post-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
}

.post-body ul li {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 6px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.post-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-light);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.post-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.post-title {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 20px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.sidebar-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.sidebar-card__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

.sidebar-recent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-recent-item {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-recent-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-recent-item a {
  color: var(--color-text);
  transition: color 130ms ease-out;
}

.sidebar-recent-item a:hover {
  color: var(--color-primary-light);
}

.sidebar-recent-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ================================================================
   レスポンシブ
================================================================ */
@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__visual {
    order: -1;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .members__grid {
    grid-template-columns: 1fr;
  }

  .blog__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__top-inner {
    grid-template-columns: 1fr 1fr;
  }

  .post-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 60px;
  }

  .section {
    padding-block: 56px;
  }

  .header__nav,
  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .blog__grid {
    grid-template-columns: 1fr;
  }

  .footer__top-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero {
    padding-block: 64px 56px;
  }

  .paku2-banner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-bar__list {
    gap: 24px;
  }

  .stats-bar__number {
    font-size: 1.625rem;
  }

  .member-card {
    padding: 24px;
  }

  .post-body {
    padding: 24px;
  }
}

/* ================================================================
   スクロールアニメーション
================================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   スクリーンリーダー専用テキスト
================================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ================================================================
   prefers-reduced-motion
================================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ================================================================
   フォーカス
================================================================ */
:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}