/* ============================================
   Flower かれん — LP styles
   シンプル × プロフェッショナル
   ============================================ */

:root {
  --ink: #33312e;
  --ink-soft: #6b6760;
  --sage: #8a9a7b;
  --sage-deep: #56654a;
  --cream: #faf7f2;
  --cream-2: #f3eee5;
  --line: #e7e1d8;
  --white: #ffffff;
  --shadow: 0 18px 50px -24px rgba(51, 49, 46, 0.35);
  --radius: 14px;
  --maxw: 1120px;
  --gap: clamp(1rem, 2.5vw, 2rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

h1, h2, h3, .serif {
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(var(--maxw), 92%); margin-inline: auto; }

.section { padding: clamp(3.5rem, 9vw, 7rem) 0; }

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--sage-deep);
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 1.2rem;
}

.lead { color: var(--ink-soft); max-width: 42rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { font-family: "Noto Serif JP", serif; font-size: 1.15rem; letter-spacing: 0.18em; }
.brand small { display: block; font-size: 0.6rem; letter-spacing: 0.3em; color: var(--ink-soft); }
.nav { display: flex; gap: 1.6rem; font-size: 0.85rem; }
.nav a:hover { color: var(--sage-deep); }
.nav-cta {
  background: var(--sage-deep); color: var(--white);
  padding: 0.5rem 1.1rem; border-radius: 999px; font-size: 0.8rem;
}
@media (max-width: 768px) { .nav { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 1.9rem; border-radius: 999px;
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--sage-deep); color: var(--white); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  align-items: center; gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.hero-copy .since { font-size: 0.8rem; letter-spacing: 0.3em; color: var(--sage-deep); margin-bottom: 1.2rem; }
.hero-title { font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.4; margin-bottom: 1.4rem; }
.hero-title .accent { color: var(--sage-deep); }
.hero-desc { color: var(--ink-soft); margin-bottom: 2rem; max-width: 30rem; }
.hero-visual {
  aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16 / 11; order: -1; }
}

/* ---------- Photo (実写真 ⇄ グラデーション フォールバック) ----------
   style="--img:url('images/xxx.jpg')" を付けると実写真を表示。
   ファイルが無い間は --grad のグラデーションが見える。 */
.photo {
  width: 100%; height: 100%;
  position: relative;
  background-image: var(--img, none), var(--grad, none);
  background-size: cover; background-position: center;
  display: flex; align-items: flex-end;
}
.photo[data-label]:not([data-label=""])::after {
  content: attr(data-label);
  position: absolute; inset: auto 0 0 0;
  font-size: 0.7rem; letter-spacing: 0.15em;
  color: rgba(255,255,255,0.92); background: rgba(51,49,46,0.28);
  padding: 0.4rem 0.7rem;
}
.g-sage   { --grad: linear-gradient(135deg, #9aab88, #6c7d5a); }
.g-rose   { --grad: linear-gradient(135deg, #d7a9a4, #b87b7e); }
.g-cream  { --grad: linear-gradient(135deg, #e7dcc7, #cdbd9c); }
.g-violet { --grad: linear-gradient(135deg, #b3a3c4, #877397); }
.g-amber  { --grad: linear-gradient(135deg, #e3c193, #c79a63); }
.g-green  { --grad: linear-gradient(135deg, #88a98c, #5c7d63); }

/* ---------- Concept ---------- */
.concept { background: var(--white); }
.concept-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.concept-visual { aspect-ratio: 1 / 1; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.concept-body p + p { margin-top: 1.1rem; }
@media (max-width: 820px) { .concept-grid { grid-template-columns: 1fr; } }

/* ---------- Gallery ---------- */
.gallery-head { text-align: center; margin-bottom: 2.8rem; }
.gallery-head .lead { margin-inline: auto; }
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem;
}
.gallery-item {
  aspect-ratio: 3 / 4; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform 0.3s ease;
}
.gallery-item:hover { transform: translateY(-4px); }
.gallery-item .cap {
  position: absolute; left: 0.9rem; top: 0.9rem;
  background: rgba(255,255,255,0.92); color: var(--ink);
  font-size: 0.78rem; padding: 0.3rem 0.8rem; border-radius: 999px;
  letter-spacing: 0.08em;
}
@media (max-width: 820px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Reasons ---------- */
.reasons { background: var(--cream-2); }
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 2.5rem; }
.reason-card { background: var(--white); border-radius: var(--radius); padding: 2rem 1.7rem; border: 1px solid var(--line); }
.reason-num { font-family: "Noto Serif JP", serif; font-size: 1.6rem; color: var(--sage); margin-bottom: 0.8rem; }
.reason-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.reason-card p { font-size: 0.92rem; color: var(--ink-soft); }
@media (max-width: 820px) { .reasons-grid { grid-template-columns: 1fr; } }

/* ---------- Flow ---------- */
.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 2.5rem; position: relative; }
.flow-step { text-align: center; padding: 0 0.5rem; }
.flow-step .step-no {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--sage-deep); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: "Noto Serif JP", serif; font-size: 1.3rem;
  margin: 0 auto 1.1rem;
}
.flow-step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.flow-step p { font-size: 0.9rem; color: var(--ink-soft); }
@media (max-width: 820px) { .flow-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Info (area/price) ---------- */
.info { background: var(--sage-deep); color: var(--white); }
.info .eyebrow { color: rgba(255,255,255,0.75); }
.info .section-title { color: var(--white); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.4rem; }
.info-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18); border-radius: var(--radius); padding: 1.8rem; }
.info-card .k { font-size: 0.8rem; letter-spacing: 0.18em; opacity: 0.8; margin-bottom: 0.6rem; }
.info-card .v { font-family: "Noto Serif JP", serif; font-size: 1.35rem; }
.info-card .note { font-size: 0.82rem; opacity: 0.8; margin-top: 0.5rem; }
@media (max-width: 820px) { .info-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { background: var(--white); }
.faq-list { max-width: 50rem; margin: 2.5rem auto 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: 1rem; color: var(--ink);
  padding: 1.3rem 2.5rem 1.3rem 0; position: relative;
}
.faq-q::after {
  content: "+"; position: absolute; right: 0.3rem; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--sage-deep); transition: transform 0.25s ease;
}
.faq-item.open .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; color: var(--ink-soft); font-size: 0.92rem; }
.faq-a div { padding: 0 0 1.3rem; }

/* ---------- CTA band ---------- */
.cta { background: var(--cream-2); text-align: center; }
.cta .section-title { margin-bottom: 0.8rem; }
.cta .lead { margin: 0 auto 2rem; }
.contact-methods { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 1.5rem; }
.contact-chip {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.6rem; min-width: 200px;
}
.contact-chip .k { font-size: 0.75rem; letter-spacing: 0.16em; color: var(--sage-deep); margin-bottom: 0.3rem; }
.contact-chip .v { font-family: "Noto Serif JP", serif; font-size: 1.15rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.8); padding: 3rem 0 2rem; font-size: 0.85rem; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: flex-start; }
.footer-grid .brand { color: var(--white); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer-links a:hover { color: var(--white); }
.copyright { margin-top: 2rem; font-size: 0.78rem; opacity: 0.6; }

/* ---------- Proposal page specific ---------- */
.proposal-hero { background: var(--ink); color: var(--white); text-align: center; padding: clamp(4rem, 10vw, 7rem) 0; }
.proposal-hero .eyebrow { color: var(--sage); }
.proposal-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); color: var(--white); margin-bottom: 1.2rem; }
.proposal-hero p { color: rgba(255,255,255,0.78); max-width: 38rem; margin: 0 auto; }
.proposal-hero .back { display: inline-block; margin-top: 2rem; font-size: 0.85rem; color: var(--sage); border-bottom: 1px solid var(--sage); padding-bottom: 2px; }

.sol-list { display: grid; gap: 1.4rem; margin-top: 3rem; }
.sol-card {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 1.5rem; align-items: start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.sol-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.sol-icon {
  width: 64px; height: 64px; border-radius: 16px; background: var(--cream-2);
  display: flex; align-items: center; justify-content: center; font-size: 1.7rem;
}
.sol-body h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.sol-body .tag { font-size: 0.75rem; letter-spacing: 0.14em; color: var(--sage-deep); margin-bottom: 0.6rem; }
.sol-body p { color: var(--ink-soft); font-size: 0.95rem; }
.sol-body .saas { margin-top: 0.7rem; font-size: 0.82rem; color: var(--ink-soft); }
.sol-body .saas span { background: var(--cream-2); border-radius: 6px; padding: 0.15rem 0.55rem; margin-right: 0.4rem; display: inline-block; }
.sol-cost { text-align: right; white-space: nowrap; }
.sol-cost .pill { display: inline-block; background: var(--sage-deep); color: var(--white); font-size: 0.82rem; padding: 0.35rem 0.9rem; border-radius: 999px; white-space: nowrap; }
.sol-cost .note { display: block; font-size: 0.7rem; color: var(--ink-soft); margin-top: 0.4rem; }
@media (max-width: 760px) {
  .sol-card { grid-template-columns: 48px 1fr; }
  .sol-icon { width: 48px; height: 48px; font-size: 1.3rem; }
  .sol-cost { grid-column: 1 / -1; text-align: left; margin-top: 0.5rem; }
}

.priority { background: var(--cream-2); }
.priority-table { width: 100%; border-collapse: collapse; margin-top: 2rem; background: var(--white); border-radius: var(--radius); overflow: hidden; }
.priority-table th, .priority-table td { padding: 1rem 1.2rem; text-align: left; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.priority-table th { background: var(--sage-deep); color: var(--white); font-weight: 500; letter-spacing: 0.08em; }
.priority-table td:first-child { font-family: "Noto Serif JP", serif; color: var(--sage-deep); font-size: 1.1rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}