/* works.css — ページ固有スタイル（共通は common.css） */

/* ケース概要バー */
#case-intro {
  background: var(--white);
  padding-block: 56px;
  border-block-end: 1px solid var(--g100);
}

.case-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding-inline: 2.5rem;
}

.case-meta-item:first-child { padding-inline-start: 0; }

.case-meta-sep {
  width: 1px;
  height: 36px;
  background: var(--g100);
  flex-shrink: 0;
}

.meta-label {
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--g500);
  text-transform: uppercase;
}

.meta-value {
  font-size: .95rem;
  font-weight: 500;
  color: var(--black);
}

/* スクリーンショット */
#case-visual {
  background: var(--off-white);
  padding-block: 80px;
}

.case-screenshot {
  border: 1px solid var(--g100);
  overflow-y: scroll;
  overflow-x: hidden;
  box-shadow: 0 8px 48px rgba(0, 0, 0, .08);
  max-height: 560px;
}

.case-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

.case-site-link {
  margin-block-start: 1.25rem;
  text-align: right;
}

.btn-site-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 500;
  color: var(--g500);
  text-decoration: none;
  border-block-end: 1px solid var(--g300);
  padding-block-end: .15rem;
  transition: color .25s, border-color .25s;
}

.btn-site-link:hover {
  color: var(--black);
  border-block-end-color: var(--black);
}

/* セクション共通 */
.case-section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
  letter-spacing: -.02em;
  margin-block: 1rem 3rem;
}

/* 課題 */
#challenge {
  background: var(--white);
  padding-block: 100px;
}

.challenge-body {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.challenge-text {
  font-size: .93rem;
  color: var(--g700);
  line-height: 2;
  font-weight: 400;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* アプローチ */
#approach {
  background: var(--off-white);
  padding-block: 100px;
}

.approach-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.approach-item {
  display: grid;
  grid-template-columns: 1fr;
  padding-block: 4rem;
  border-block-end: 1px solid var(--g100);
}

.approach-item:first-child { border-block-start: 1px solid var(--g100); }

.approach-item--has-image {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.approach-item--reverse {
  direction: rtl;
}

.approach-item--reverse > * {
  direction: ltr;
}

.approach-text-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.approach-image-col {
  overflow: hidden;
  border: 1px solid var(--g100);
  max-height: 300px;
}

.approach-image-col img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: top;
  display: block;
}

.approach-num {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--g500);
  margin-block-end: .75rem;
}

.approach-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--black);
  margin-block-end: 1rem;
  line-height: 1.4;
}

.approach-text {
  font-size: .88rem;
  color: var(--g700);
  line-height: 1.95;
  font-weight: 400;
}

@media (max-width: 768px) {
  .approach-item--has-image {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .approach-item--reverse { direction: ltr; }
  .approach-item { padding-block: 2.5rem; }
}

/* スコープ */
#scope {
  background: var(--white);
  padding-block: 100px;
  border-block-end: 1px solid var(--g100);
}

.scope-list {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  list-style: none;
  padding: 0;
  margin-block: 1.5rem 3rem;
}

.scope-list li {
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--g700);
  padding: .5rem 1.25rem;
  border: 1px solid var(--g100);
}

.scope-closing {
  font-family: var(--font-en);
  font-size: .82rem;
  font-weight: 500;
  color: var(--g500);
  letter-spacing: .06em;
}

/* CTA */
#cta { background: var(--black); padding-block: 100px; }
.cta-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
  border-block-start: 1px solid rgba(255, 255, 255, .08);
  padding-block-start: 4rem;
}
.cta-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; color: var(--white); line-height: 1.3; letter-spacing: -.02em; }
.cta-desc { font-size: .88rem; color: rgba(255, 255, 255, .8); line-height: 1.9; margin-block-start: 1rem; font-weight: 400; }
.btn-cta {
  display: inline-flex; align-items: center; gap: .75rem; flex-shrink: 0;
  background: var(--white); color: var(--black); padding: 1rem 2.25rem;
  font-size: .88rem; font-weight: 600; letter-spacing: .03em;
  transition: background var(--tr), transform var(--tr);
}
.btn-cta:hover { background: var(--off-white); transform: translateY(-1px); }
.btn-cta svg { transition: transform var(--tr); }
.btn-cta:hover svg { transform: translateX(3px); }

/* レスポンシブ */
@media (max-width: 768px) {
  .case-meta { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .case-meta-sep { display: none; }
  .case-meta-item { padding-inline: 0; }
  .approach-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  #challenge, #approach { padding-block: 70px; }
  #case-visual { padding-block: 56px; }
  #case-intro { padding-block: 40px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .btn-cta { width: 100%; justify-content: center; }
}