/*
 * Works page v4 — v8(企業向け)スキン: 白×teal・バッジ付き写真カード・tealベタCTAバンド
 * + v10の余白感・角丸を少量ブレンド。サイト全体(白×teal)との統一を最優先。
 * Scoped under .p-works4 (page-works.php 専用)。
 */

.p-works4 {
  --w4-ink: var(--ink, #0B1220);
  --w4-ink-2: var(--ink-2, #1C2A3A);
  --w4-text: var(--color-text-light, #475569);
  --w4-soft: color-mix(in srgb, var(--ink-2, #1C2A3A) 52%, var(--color-surface, #fff));
  --w4-bg: var(--color-bg, #F6F8FB);
  --w4-paper: var(--color-surface, #ffffff);
  --w4-line: color-mix(in srgb, var(--ink, #0B1220) 10%, transparent);
  --w4-accent: var(--accent, #007a8a);
  --w4-accent-dark: var(--accent-dark, #006064);
  --w4-accent-light: var(--accent-light, #b2ebf2);
  --w4-accent-bg: var(--accent-bg, rgba(0, 122, 138, 0.05));
  --w4-en: var(--font-en, 'Montserrat', sans-serif);
  --w4-ja: var(--font-ja, -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif);
  --w4-radius: var(--radius-card, 16px);
  --w4-radius-lg: 22px;
  --w4-shadow: 0 4px 18px color-mix(in srgb, var(--ink, #0B1220) 7%, transparent);
  --w4-shadow-hover: 0 16px 40px color-mix(in srgb, var(--ink, #0B1220) 13%, transparent);
  --w4-ease: var(--transition-base, 0.3s cubic-bezier(0.2, 0.6, 0, 1));
  --w4-header: var(--header-height, 80px);

  font-family: var(--w4-ja);
  color: var(--w4-ink);
  background: var(--w4-paper);
  font-size: 15px;
  line-height: 1.9;
  overflow: clip;
}

.p-works4 *,
.p-works4 *::before,
.p-works4 *::after {
  box-sizing: border-box;
}

.p-works4 img {
  max-width: 100%;
  height: auto;
}

.p-works4 :is(a, button, summary):focus-visible {
  outline: 2px solid var(--w4-accent);
  outline-offset: 2px;
}

.p-works4-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

/* breadcrumb override */
.p-works4 .p-breadcrumb {
  padding: calc(var(--w4-header) + 24px) 0 0;
  background: transparent;
  border: 0;
}

.p-works4 .p-breadcrumb .l-inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0;
}

.p-works4 .p-breadcrumb__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.p-works4 .p-breadcrumb__item:not(:first-child)::before {
  content: ">";
  margin-right: 8px;
  color: var(--w4-soft);
}

.p-works4 .p-breadcrumb__link {
  color: var(--w4-soft);
  text-decoration: none;
}

.p-works4 .p-breadcrumb__link--current {
  color: var(--w4-accent-dark);
}

/* ---------------------------------- hero (v8: 白 + teal見出し / 右に実登壇写真) */

.p-works4-hero {
  padding: 44px 0 64px;
}

.p-works4-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 56px;
  align-items: center;
}

.p-works4-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--w4-accent);
  font-family: var(--w4-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.p-works4-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--w4-accent);
}

.p-works4-hero__title {
  margin: 14px 0 0;
}

.p-works4-hero__en {
  display: block;
  font-family: var(--w4-en);
  font-size: clamp(52px, 6.5vw, 88px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--w4-accent);
}

.p-works4-hero__ja {
  display: block;
  margin-top: 10px;
  color: var(--w4-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.p-works4-hero__statement {
  margin: 28px 0 0;
  font-size: clamp(19px, 2.1vw, 27px);
  font-weight: 800;
  line-height: 1.75;
}

.p-works4-hero__lead {
  margin: 12px 0 0;
  max-width: 540px;
  color: var(--w4-text);
  font-size: 14px;
}

.p-works4-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.p-works4-stat {
  padding: 20px 22px;
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius);
  background: var(--w4-paper);
  box-shadow: var(--w4-shadow);
  border-top: 3px solid var(--w4-accent);
}

.p-works4-stat__num {
  display: block;
  font-family: var(--w4-en);
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
  color: var(--w4-ink);
}

.p-works4-stat__num small {
  margin-left: 4px;
  font-family: var(--w4-ja);
  font-size: 0.4em;
  font-weight: 700;
  color: var(--w4-accent-dark);
}

.p-works4-stat__cap {
  display: block;
  margin-top: 6px;
  color: var(--w4-soft);
  font-size: 11.5px;
  font-weight: 700;
}

.p-works4-hero__visual {
  position: relative;
}

.p-works4-hero__photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--w4-radius-lg);
  box-shadow: var(--w4-shadow-hover);
}

.p-works4-hero__caption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  margin: 0;
  padding: 7px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--w4-ink) 78%, transparent);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

/* ---------------------------------- page nav */

.p-works4-nav {
  position: sticky;
  top: var(--w4-header);
  z-index: 40;
  background: color-mix(in srgb, var(--w4-paper) 94%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--w4-line);
  border-bottom: 1px solid var(--w4-line);
}

.p-works4-nav ul {
  display: flex;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.p-works4-nav a {
  display: block;
  padding: 15px 0;
  margin-right: 40px;
  color: var(--w4-soft);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast, 0.15s ease), border-color var(--transition-fast, 0.15s ease);
}

.p-works4-nav a:hover {
  color: var(--w4-accent-dark);
  border-bottom-color: var(--w4-accent);
}

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

.p-works4-sec {
  padding: 96px 0;
}

.p-works4-sec--band {
  background: var(--w4-bg);
}

.p-works4-sec__head {
  margin-bottom: 44px;
}

.p-works4-sec__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.4;
}

.p-works4-sec__lead {
  max-width: 640px;
  margin: 12px 0 0;
  color: var(--w4-text);
  font-size: 14px;
}

/* ---------------------------------- filter chips */

.p-works4-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.p-works4-filter button {
  padding: 8px 20px;
  border: 1px solid var(--w4-line);
  border-radius: 999px;
  background: var(--w4-paper);
  color: var(--w4-text);
  font-family: var(--w4-ja);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--w4-ease), color var(--w4-ease), border-color var(--w4-ease);
}

.p-works4-filter button:hover {
  border-color: var(--w4-accent);
  color: var(--w4-accent-dark);
}

.p-works4-filter button.is-active {
  background: var(--w4-accent);
  border-color: var(--w4-accent);
  color: #fff;
}

/* ---------------------------------- case cards (v8: 写真+tealバッジ+太字タイトル) */

.p-works4-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.p-works4-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius-lg);
  background: var(--w4-paper);
  box-shadow: var(--w4-shadow);
  overflow: hidden;
  transition: transform var(--w4-ease), box-shadow var(--w4-ease);
}

.p-works4-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--w4-shadow-hover);
}

.p-works4-card.is-hidden {
  display: none;
}

.p-works4-card__photo {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.p-works4-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px;
}

.p-works4-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.p-works4-card__badge {
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--w4-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.p-works4-card__industry {
  color: var(--w4-soft);
  font-size: 11px;
  font-weight: 700;
}

.p-works4-card__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.55;
}

.p-works4-card__client {
  margin: 6px 0 0;
  color: var(--w4-soft);
  font-size: 12px;
  font-weight: 600;
}

/* flagship 詳細 (details/summary) */

.p-works4-card__detail {
  margin-top: 14px;
  border-top: 1px solid var(--w4-line);
}

.p-works4-card__detail summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0 2px;
  color: var(--w4-accent-dark);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.p-works4-card__detail summary::-webkit-details-marker {
  display: none;
}

.p-works4-card__detail summary::after {
  content: "+";
  margin-left: auto;
  font-size: 17px;
  font-weight: 400;
  color: var(--w4-accent);
}

.p-works4-card__detail[open] summary::after {
  content: "−";
}

.p-works4-card__detail h4 {
  margin: 12px 0 4px;
  color: var(--w4-accent-dark);
  font-family: var(--w4-en);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.p-works4-card__detail p {
  margin: 0;
  color: var(--w4-text);
  font-size: 12.5px;
  line-height: 1.9;
}

.p-works4-card__impact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--w4-accent-bg);
}

.p-works4-card__impact strong {
  font-family: var(--w4-en);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  color: var(--w4-accent-dark);
  white-space: nowrap;
}

.p-works4-card__impact strong small {
  font-family: var(--w4-ja);
  font-size: 0.5em;
  font-weight: 700;
}

.p-works4-card__impact span {
  color: var(--w4-ink-2);
  font-size: 12px;
  font-weight: 700;
}

.p-works4-card__voice {
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--w4-accent-light);
  color: var(--w4-ink-2);
  font-size: 12px;
  line-height: 1.9;
}

.p-works4-card__voice footer {
  margin-top: 2px;
  color: var(--w4-soft);
  font-size: 11px;
  font-weight: 700;
}

.p-works4-photo-note {
  margin: 18px 0 0;
  color: var(--w4-soft);
  font-size: 11px;
}

/* ---------------------------------- impact rows */

.p-works4-imp {
  display: grid;
  gap: 12px;
}

.p-works4-imp__row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 170px;
  gap: 28px;
  align-items: center;
  padding: 22px 28px;
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius);
  background: var(--w4-paper);
  box-shadow: var(--w4-shadow);
}

.p-works4-imp__area {
  font-size: 15px;
  font-weight: 800;
}

.p-works4-imp__ba {
  color: var(--w4-soft);
  font-size: 12px;
  font-weight: 600;
}

.p-works4-imp__ba b {
  color: var(--w4-ink-2);
  font-weight: 700;
}

.p-works4-imp__ba i {
  margin: 0 8px;
  color: var(--w4-accent);
  font-style: normal;
}

.p-works4-imp__bar {
  position: relative;
  height: 6px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--w4-bg);
  overflow: hidden;
}

.p-works4-imp__bar span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--w4-accent-dark), var(--w4-accent));
}

.p-works4-imp__val {
  font-family: var(--w4-en);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 800;
  line-height: 1.1;
  text-align: right;
  white-space: nowrap;
  color: var(--w4-accent-dark);
}

.p-works4-imp__val small {
  display: block;
  margin-top: 3px;
  font-family: var(--w4-ja);
  color: var(--w4-soft);
  font-size: 11px;
  font-weight: 700;
}

/* ---------------------------------- media / authority */

.p-works4-auth {
  display: grid;
  gap: 10px;
}

.p-works4-auth__row {
  display: grid;
  grid-template-columns: 210px 110px minmax(0, 1fr);
  gap: 22px;
  align-items: baseline;
  padding: 18px 24px;
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius);
  background: var(--w4-paper);
}

.p-works4-auth__row--featured {
  border-left: 4px solid var(--w4-accent);
  background: linear-gradient(90deg, var(--w4-accent-bg), var(--w4-paper) 65%);
}

.p-works4-auth__name {
  font-size: 15px;
  font-weight: 800;
}

.p-works4-auth__row--featured .p-works4-auth__name {
  font-size: 17px;
}

.p-works4-auth__type {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--w4-accent-bg);
  color: var(--w4-accent-dark);
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
}

.p-works4-auth__desc {
  color: var(--w4-text);
  font-size: 13px;
}

/* ---------------------------------- sns */

.p-works4-sns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.p-works4-sns__card {
  display: flex;
  flex-direction: column;
  padding: 26px 28px;
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius);
  background: var(--w4-paper);
  box-shadow: var(--w4-shadow);
  border-top: 3px solid var(--w4-accent);
}

.p-works4-sns__co {
  display: block;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.6;
}

.p-works4-sns__role {
  display: block;
  margin-top: 3px;
  color: var(--w4-soft);
  font-size: 11.5px;
  font-weight: 700;
}

.p-works4-sns__v {
  display: block;
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--w4-en);
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  color: var(--w4-accent-dark);
}

.p-works4-sns__v small {
  font-family: var(--w4-ja);
  font-size: 0.45em;
  font-weight: 700;
  color: var(--w4-ink-2);
}

.p-works4-sns__l {
  display: block;
  margin-top: 6px;
  color: var(--w4-soft);
  font-size: 11.5px;
  font-weight: 700;
}

/* ---------------------------------- faq */

.p-works4-faq {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.p-works4-faq details {
  border: 1px solid var(--w4-line);
  border-radius: var(--w4-radius);
  background: var(--w4-paper);
  transition: border-color var(--w4-ease), box-shadow var(--w4-ease);
}

.p-works4-faq details:hover,
.p-works4-faq details[open] {
  border-color: var(--w4-accent-light);
  box-shadow: var(--w4-shadow);
}

.p-works4-faq summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.p-works4-faq summary::-webkit-details-marker {
  display: none;
}

.p-works4-faq summary i {
  flex: none;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 8px;
  background: var(--w4-accent-bg);
  color: var(--w4-accent);
  font-family: var(--w4-en);
  font-size: 13px;
  font-weight: 800;
  font-style: normal;
}

.p-works4-faq summary::after {
  content: "+";
  margin-left: auto;
  color: var(--w4-accent);
  font-size: 19px;
  font-weight: 300;
}

.p-works4-faq details[open] summary::after {
  content: "−";
}

.p-works4-faq__a {
  padding: 0 22px 20px 63px;
  color: var(--w4-text);
  font-size: 13px;
  line-height: 1.95;
}

/* ---------------------------------- disclaimers */

.p-works4-note {
  padding: 0 0 72px;
}

.p-works4-note p {
  margin: 0 0 6px;
  color: var(--w4-soft);
  font-size: 10.5px;
  line-height: 1.9;
}

/* ---------------------------------- CTA band (v8: tealベタ2分割 + 丸矢印) */

.p-works4-cta {
  padding: 72px 0;
  color: #fff;
  background: linear-gradient(135deg, var(--w4-accent-dark) 0%, var(--w4-accent) 100%);
}

.p-works4-cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.p-works4-cta__block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 28px 32px;
  border: 1px solid color-mix(in srgb, #fff 30%, transparent);
  border-radius: var(--w4-radius-lg);
  color: #fff;
  text-decoration: none;
  transition: background-color var(--w4-ease), transform var(--w4-ease);
}

.p-works4-cta__block:hover {
  background: color-mix(in srgb, #fff 10%, transparent);
  transform: translateY(-3px);
}

.p-works4-cta__block + .p-works4-cta__block {
  border-left: 1px solid color-mix(in srgb, #fff 30%, transparent);
}

.p-works4-cta__title {
  margin: 0;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.5;
}

.p-works4-cta__text {
  margin: 6px 0 0;
  color: color-mix(in srgb, #fff 80%, transparent);
  font-size: 12.5px;
  line-height: 1.8;
}

.p-works4-cta__arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1.5px solid color-mix(in srgb, #fff 65%, transparent);
  border-radius: 50%;
  color: #fff;
  font-family: var(--w4-en);
  font-size: 18px;
  transition: background-color var(--w4-ease), color var(--w4-ease);
}

.p-works4-cta__block:hover .p-works4-cta__arrow {
  background: #fff;
  color: var(--w4-accent-dark);
}

/* ---------------------------------- motion safety */

@media (prefers-reduced-motion: reduce) {
  .p-works4-card,
  .p-works4-cta__block,
  .p-works4-filter button {
    transition: none;
  }

  .p-works4-card:hover,
  .p-works4-cta__block:hover {
    transform: none;
  }
}

/* ---------------------------------- responsive (768 / 480) */

@media (max-width: 768px) {
  .p-works4-shell,
  .p-works4 .p-breadcrumb .l-inner,
  .p-works4-nav ul {
    width: calc(100% - 40px);
  }

  .p-works4-hero {
    padding: 28px 0 48px;
  }

  .p-works4-hero__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .p-works4-stats {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .p-works4-stat {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 20px;
  }

  .p-works4-stat__cap {
    margin-top: 0;
  }

  .p-works4-sec {
    padding: 64px 0;
  }

  .p-works4-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .p-works4-imp__row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 22px;
  }

  .p-works4-imp__val {
    text-align: left;
  }

  .p-works4-auth__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .p-works4-sns {
    grid-template-columns: 1fr;
  }

  .p-works4-cta__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .p-works4-faq__a {
    padding-left: 22px;
  }
}

@media (max-width: 480px) {
  .p-works4-shell,
  .p-works4 .p-breadcrumb .l-inner,
  .p-works4-nav ul {
    width: calc(100% - 32px);
  }

  .p-works4-nav a {
    margin-right: 26px;
  }

  .p-works4-card__body {
    padding: 16px 18px 18px;
  }

  .p-works4-cta__block {
    grid-template-columns: 1fr;
    padding: 22px 24px;
  }

  .p-works4-cta__arrow {
    display: none;
  }
}