/* =============================================================
 * 有限会社共栄板金工業 採用LP — style.css
 * デザイン：濃紺（信頼）× 銅色（金属・クラフト感）
 * Noto Sans JP 400/500/700/900
 * ============================================================= */

/* ===== Design tokens ===== */
:root {
  --c-navy: #0f2a44;
  --c-navy-deep: #081e30;
  --c-copper: #c4654a;
  --c-copper-deep: #a1482c;
  --c-bg: #f5f4f1;
  --c-paper: #ffffff;
  --c-line: #e2e0db;
  --c-text: #1a1a1a;
  --shadow-card: 0 2px 12px rgba(15, 42, 68, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
  color: var(--c-text);
  line-height: 1.85;
  font-weight: 400;
  background: var(--c-bg);
}
img { max-width: 100%; display: block; }

/* ===== Layout ===== */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { margin: 96px 0; }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  margin: 0 auto 32px;
  padding: 0 0 14px;
  border-bottom: 3px solid var(--c-copper);
  color: var(--c-navy);
  letter-spacing: 0.02em;
  display: table;
  text-align: center;
}
.section h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--c-navy);
  line-height: 1.5;
}
p { margin: 0 0 12px; }
.job-intro { text-align: center; max-width: 760px; margin-left: auto; margin-right: auto; }
strong { font-weight: 700; color: var(--c-copper-deep); }
a { transition: color 0.2s, background 0.2s, border-color 0.2s; }

/* ===== HEADER ===== */
.site-header {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--c-line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}
.site-header__logo {
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--c-navy);
  letter-spacing: 0.02em;
}
.site-header__logo a { color: inherit; text-decoration: none; display: inline-flex; align-items: center; }
.site-header__logo img { height: 42px; width: auto; display: block; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.site-nav a {
  color: var(--c-navy);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 6px 2px;
}
.site-nav a:hover { color: var(--c-copper); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--c-copper);
  transform: scaleX(0);
  transition: transform 0.2s;
  transform-origin: left center;
}
.site-nav a:hover::after { transform: scaleX(1); }

/* Hamburger */
.hamburger {
  display: none;
  background: transparent;
  border: 1.5px solid var(--c-navy);
  color: var(--c-navy);
  padding: 0 12px;
  cursor: pointer;
  border-radius: 6px;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  min-height: 48px;
  min-width: 48px;
  align-items: center;
  justify-content: center;
}
.hamburger:hover, .hamburger:focus-visible {
  background: var(--c-navy);
  color: #fff;
}

/* ===== FV ===== */
.fv {
  position: relative;
  background: linear-gradient(135deg, #d9d6cf 0%, #b8b4aa 100%);
  width: 100%;
  min-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 88px 24px;
}
.fv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, rgba(0,0,0,0.04) 0, rgba(0,0,0,0.04) 6px, transparent 6px, transparent 12px
  );
}
.fv--photo {
  background: #b8b4aa;
}
.fv--photo::before {
  background-image: url("../images/fv.jpg");
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
.fv--photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 30, 48, 0.15) 0%, rgba(8, 30, 48, 0.55) 100%);
}
.fv--photo .fv__copy { position: relative; z-index: 1; }
.fv--photo .fv__catch { color: #fff; text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45); }
.fv__copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 760px;
  gap: 22px;
  text-align: center;
}
.fv__catch {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 900;
  color: var(--c-navy-deep);
  margin: 0;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.5);
}
.fv__cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* ===== CTA buttons ===== */
.cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--c-navy);
  background: #fff;
  color: var(--c-navy);
  text-decoration: none;
  padding: 16px 28px;
  font-weight: 700;
  min-width: 180px;
  text-align: center;
  border-radius: 8px;
  min-height: 48px;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  letter-spacing: 0.02em;
  line-height: 1.4;
  justify-content: center;
}
.cta__btn:hover, .cta__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(15, 42, 68, 0.18);
}
.cta__btn--primary {
  background: var(--c-copper);
  color: #fff;
  border-color: var(--c-copper-deep);
}
.cta__btn--primary:hover, .cta__btn--primary:focus-visible {
  background: var(--c-copper-deep);
  color: #fff;
}
.fv__cta .cta__btn--primary {
  background: #e07b4f;
  border-color: #d0653a;
}
.fv__cta .cta__btn--primary:hover, .fv__cta .cta__btn--primary:focus-visible {
  background: #d0653a;
}
.cta__btn--ghost { background: #fff; color: var(--c-navy); }
.cta__btn--ghost:hover, .cta__btn--ghost:focus-visible {
  background: var(--c-navy);
  color: #fff;
}
.cta__btn-icon { font-size: 1.1rem; }
.cta__btn-label { font-size: 0.95rem; }

:focus-visible {
  outline: 3px solid var(--c-copper);
  outline-offset: 3px;
  border-radius: 4px;
}

.fv__sub {
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.85;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

/* ===== SLIDER ===== */
.slider-section { background: var(--c-paper); padding: 28px 0; overflow: hidden; }
.slider-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: slide 40s linear infinite;
  will-change: transform;
}
.slider-track:hover { animation-play-state: paused; }
@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.slider__item {
  flex: 0 0 auto;
  width: 240px;
  aspect-ratio: 4/3;
  border-radius: 8px;
  background: linear-gradient(135deg, #dcdad4 0%, #c0bcb2 100%);
  position: relative;
}
.slider__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, rgba(0,0,0,0.04) 0, rgba(0,0,0,0.04) 6px, transparent 6px, transparent 12px
  );
  border-radius: inherit;
}

/* ===== PHOTO placeholder ===== */
.photo, .card-photo, .intro__photo, .closing__photo {
  background: linear-gradient(135deg, #dcdad4 0%, #c0bcb2 100%);
  aspect-ratio: 4/3;
  width: 100%;
  border-radius: 8px;
  position: relative;
}
.photo::after, .card-photo::after,
.intro__photo::after, .closing__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, rgba(0,0,0,0.04) 0, rgba(0,0,0,0.04) 6px, transparent 6px, transparent 12px
  );
  border-radius: inherit;
}

/* ===== 差し込み写真 ===== */
.photo--about, .photo--job-factory, .photo--job-prep, .photo--job-install,
.photo--flow-1, .photo--flow-2, .photo--flow-3,
.photo--charm-1, .photo--charm-2, .photo--charm-3,
.photo--member-1, .photo--member-2, .photo--member-3,
.photo--closing {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.photo--about { background-image: url("../images/about.jpg"); }
.photo--job-factory { background-image: url("../images/job-factory.jpg"); }
.photo--job-prep { background-image: url("../images/job-prep.jpg"); }
.photo--job-install { background-image: url("../images/job-install.jpg"); }
.photo--flow-1 { background-image: url("../images/flow-1.jpg"); }
.photo--flow-2 { background-image: url("../images/flow-2.jpg"); }
.photo--flow-3 { background-image: url("../images/flow-3.jpg"); }
.photo--charm-1 { background-image: url("../images/charm-1.jpg"); }
.photo--charm-2 { background-image: url("../images/charm-2.jpg"); }
.photo--charm-3 { background-image: url("../images/charm-3.jpg"); }
.photo--member-1 { background-image: url("../images/member-1.jpg"); }
.photo--member-2 { background-image: url("../images/member-2.jpg"); }
.photo--member-3 { background-image: url("../images/member-3.jpg"); }
.photo--closing { background-image: url("../images/closing.jpg"); }
.photo--about::after, .photo--job-factory::after, .photo--job-prep::after,
.photo--job-install::after, .photo--flow-1::after, .photo--flow-2::after,
.photo--flow-3::after, .photo--charm-1::after, .photo--charm-2::after,
.photo--charm-3::after, .photo--member-1::after, .photo--member-2::after,
.photo--member-3::after, .photo--closing::after {
  display: none;
}

/* ===== ABOUT / CLOSING ===== */
.intro, .closing {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
  background: var(--c-paper);
  padding: 36px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

/* ===== WELCOME ===== */
.welcome__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.welcome__item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--c-paper);
  border-left: 4px solid var(--c-copper);
  padding: 22px 26px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s;
}
.welcome__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(15, 42, 68, 0.12);
}
.welcome__item p { margin: 0; }
.welcome__num {
  display: inline-block;
  flex: 0 0 auto;
  font-size: 0.85rem;
  font-weight: 900;
  color: #fff;
  background: var(--c-navy);
  padding: 5px 10px;
  border-radius: 4px;
  margin-bottom: 0;
  letter-spacing: 0.05em;
}

/* ===== JOB zig-zag ===== */
.job-block {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-bottom: 36px;
  background: var(--c-paper);
  padding: 28px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.job-block:last-child { margin-bottom: 0; }
.job-block--reverse { flex-direction: row-reverse; }
.job-block__body { flex: 1.1; }
.job-block__photo { flex: 1; }

/* ===== CARD ROW ===== */
.card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--c-paper);
  padding: 0 0 24px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(15, 42, 68, 0.12);
}
.card .photo, .card .card-photo { border-radius: 10px 10px 0 0; margin-bottom: 0; }
.card__period {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--c-copper-deep);
  margin: 16px 20px 6px;
  letter-spacing: 0.05em;
}
.card h3 { margin: 0 20px 10px; font-size: 1.05rem; }
.card p { margin: 0 20px 12px; font-size: 0.93rem; }
#charm .card h3, #members .card h3 { margin-top: 18px; }

/* ===== SCHEDULE ===== */
.schedule {
  background: var(--c-paper);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.schedule__list { list-style: none; margin: 0; padding: 0; }
.schedule__item {
  display: flex;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--c-line);
  align-items: center;
}
.schedule__item:last-child { border-bottom: none; }
.schedule__time {
  flex: 0 0 84px;
  font-weight: 900;
  color: var(--c-navy);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-left: 14px;
}
.schedule__time::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--c-copper);
  border-radius: 50%;
}

/* ===== MEMBERS ===== */
.members .card-photo { display: block; }

/* ===== REQUIREMENTS ===== */
.req-card {
  background: var(--c-paper);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.req-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--c-line);
  padding: 20px 28px;
  gap: 24px;
}
.req-row:last-child { border-bottom: none; }
.req-row__title {
  font-weight: 900;
  color: var(--c-navy);
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.req-row__body { margin: 0; }
.req-row__body p { margin: 0 0 10px; font-weight: 500; color: #222; }
.req-row__body p:last-child { margin-bottom: 0; }
.req-group p:first-child {
  font-weight: 700;
  color: var(--c-navy);
  font-size: 0.92rem;
  margin-bottom: 4px;
}

/* ===== CTA段 ===== */
.cta {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 64px 0;
}

/* ===== 中間差し込みCTA（インラインCTAボックス） ===== */
.cta-inline {
  background: var(--c-navy);
  border-radius: 20px;
  padding: 40px 24px;
  text-align: center;
  margin: 64px 0;
  box-shadow: var(--shadow-card);
}
.cta-inline__title {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0;
  letter-spacing: 0.02em;
}
.cta-inline__bar {
  display: block;
  width: 40px;
  height: 4px;
  background: #f4c542;
  margin: 16px auto 0;
  border-radius: 2px;
}
.cta-inline__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}
.cta-inline__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  min-width: 240px;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.cta-inline__btn:hover, .cta-inline__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
}
.cta-inline__btn--primary {
  background: var(--c-copper);
  color: #fff;
}
.cta-inline__btn--primary:hover, .cta-inline__btn--primary:focus-visible {
  background: var(--c-copper-deep);
  color: #fff;
}
.cta-inline__btn--ghost {
  background: #fff;
  color: var(--c-navy);
}
.cta-inline__btn--ghost:hover, .cta-inline__btn--ghost:focus-visible {
  background: var(--c-navy-deep);
  color: #fff;
}
@media (max-width: 600px) {
  .cta-inline__btn { width: 100%; min-width: 0; }
}

/* ===== CONTACT ===== */
.contact-form {
  max-width: 720px;
  margin: 0 auto;
  background: var(--c-paper);
  border-radius: 12px;
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-row { margin-bottom: 20px; }
.form-row--submit { text-align: center; }
.form-error {
  background: #fdecea;
  color: #a1482c;
  border: 1px solid #f2c2ba;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
}
.form-row label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--c-navy);
  font-size: 0.95rem;
}
.form-row .req {
  color: var(--c-copper-deep);
  background: #fef0e8;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 6px;
  font-size: 0.78rem;
  font-weight: 700;
}
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--c-line);
  background: #fafaf7;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  min-height: 48px;
  transition: border-color 0.2s, background 0.2s;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--c-copper);
  background: #fff;
}
.form-row textarea { min-height: 140px; resize: vertical; }
.honey { display: none; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 8px 0; }
  .site-nav li { border-bottom: 1px solid var(--c-line); }
  .site-nav li:last-child { border-bottom: none; }
  .site-nav a { display: block; padding: 14px 24px; font-size: 0.95rem; }
  .site-nav a::after { display: none; }
  .hamburger { display: inline-flex; }

  .welcome__list, .card-row { grid-template-columns: 1fr; }
  .job-block, .job-block--reverse {
    flex-direction: column;
    padding: 20px;
  }
  .job-block--reverse .job-block__photo { order: -1; }
  .intro, .closing { grid-template-columns: 1fr; padding: 24px; }
  .intro__photo, .closing__photo { order: -1; }
  .members .card-photo { order: -1; }

  .req-row { grid-template-columns: 1fr; gap: 8px; padding: 16px 20px; }
  .cta__btn { min-width: 0; width: 100%; justify-content: center; }
  .section { margin: 64px 0; }
}