/* ============================================================
   桜BOSAI 青木 — 消防点検・消防工事・防災対策 サンプルLP
   ============================================================ */

:root {
  --red: #c8161d;
  --red-dark: #a01219;
  --red-deep: #8a0f15;
  --ink: #1f1f1f;
  --text: #4a4a4a;
  --muted: #888;
  --line: #e8e8e8;
  --bg: #ffffff;
  --bg-soft: #f5f4f2;
  --dark: #1a1a1a;
  --dark-2: #232323;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.10);
  --max: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

/* BudouX が挿入する wbr の改行制御の土台 */
.bw { word-break: keep-all; line-break: strict; overflow-wrap: anywhere; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 700; font-size: 0.98rem; letter-spacing: 0.02em;
  padding: 16px 28px; border-radius: 999px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background 0.3s var(--ease), color 0.3s var(--ease);
  cursor: pointer; border: none;
}
.btn .arw {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.22); flex: none;
  transition: transform 0.3s var(--ease);
}
.btn-red { background: var(--red); color: #fff; box-shadow: 0 10px 24px rgba(200, 22, 29, 0.28); }
.btn-red:hover { background: var(--red-dark); transform: translateY(-3px); box-shadow: 0 16px 32px rgba(200, 22, 29, 0.36); }
.btn-red:hover .arw { transform: translateX(3px); }
.btn-ghost { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost .arw { background: var(--red); color: #fff; }
.btn-ghost:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.55); }
.btn-outline .arw { background: rgba(255, 255, 255, 0.18); }
.btn-outline:hover { background: #fff; color: var(--red); }

/* ---------- Demo / Portfolio banner ---------- */
body { padding-top: 40px; }
.demo-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300; height: 40px;
  display: flex; align-items: center; gap: 14px; padding: 0 20px;
  background: linear-gradient(90deg, #171717, #262626);
  color: #fff; font-size: 13px; overflow: hidden; white-space: nowrap;
}
.demo-banner__tag {
  flex-shrink: 0; background: var(--red); color: #fff; font-weight: 700;
  font-size: 11px; padding: 3px 10px; border-radius: 4px; letter-spacing: 0.5px;
}
.demo-banner__text { flex: 1; overflow: hidden; text-overflow: ellipsis; opacity: 0.9; }
.demo-banner__text strong { color: #ff9ea1; }
.demo-banner__link {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; color: #fff;
  font-weight: 700; border: 1px solid rgba(255,255,255,0.4); padding: 5px 14px;
  border-radius: 999px; transition: background 0.2s, border-color 0.2s;
}
.demo-banner__link:hover { background: rgba(255,255,255,0.15); border-color: #fff; }

/* ---------- Cinematic Intro ---------- */
#intro {
  position: fixed; inset: 0; z-index: 9999; background: #0a0a0a;
  overflow: hidden; display: grid; place-items: center;
  transition: opacity 1s var(--ease), transform 1.1s var(--ease);
}
#intro.done { opacity: 0; transform: scale(1.04); pointer-events: none; }
.intro-bg {
  position: absolute; inset: 0;
  background: url("img/ig1.jpg") center/cover no-repeat;
  transform: scale(1.12); filter: grayscale(0.18) contrast(1.05) brightness(0.9);
  animation: introKen 5.2s var(--ease) forwards;
}
.intro-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 95% at 50% 50%, rgba(10,10,10,0.58), rgba(8,8,8,0.94) 82%);
}
@keyframes introKen { to { transform: scale(1.28); } }
.intro-bar { position: absolute; left: 0; right: 0; height: 11vh; background: #060606; z-index: 3; }
.intro-bar.top { top: 0; animation: barTop 1s var(--ease) both; }
.intro-bar.bottom { bottom: 0; animation: barBottom 1s var(--ease) both; }
@keyframes barTop { from { transform: translateY(-100%); } to { transform: none; } }
@keyframes barBottom { from { transform: translateY(100%); } to { transform: none; } }
.intro-content { position: relative; z-index: 4; text-align: center; color: #fff; padding: 0 24px; }
.intro-kicker {
  font-size: 0.82rem; letter-spacing: 0.55em; text-indent: 0.55em; font-weight: 600;
  color: #e7c3c5; margin-bottom: 26px; opacity: 0; animation: introFade 1s ease 0.4s forwards;
}
.intro-title {
  font-size: clamp(2.2rem, 6vw, 4.3rem); font-weight: 900; line-height: 1.3;
  text-shadow: 0 8px 50px rgba(0,0,0,0.6);
  opacity: 0; filter: blur(16px); transform: translateY(22px);
  animation: introTitle 1.5s var(--ease) 0.85s forwards;
}
.intro-title .r { color: var(--red); }
.intro-line {
  display: block; width: 0; height: 2px; margin: 30px auto 0;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  animation: introLine 1.3s var(--ease) 1.75s forwards;
}
@keyframes introLine { to { width: min(340px, 72vw); } }
.intro-sub {
  font-size: clamp(0.78rem, 2vw, 1rem); letter-spacing: 0.28em; color: #cfcfcf;
  margin-top: 24px; opacity: 0; animation: introFade 1.2s ease 2.05s forwards;
}
@keyframes introTitle { to { opacity: 1; filter: blur(0); transform: none; } }
@keyframes introFade { to { opacity: 1; } }
.intro-skip {
  position: absolute; bottom: 5vh; right: 6vw; z-index: 5;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.25);
  color: #fff; font-size: 0.78rem; letter-spacing: 0.08em; padding: 8px 18px;
  border-radius: 999px; cursor: pointer; opacity: 0;
  animation: introFade 1s ease 1.4s forwards; transition: background 0.25s;
}
.intro-skip:hover { background: rgba(255,255,255,0.18); }
body.intro-lock { overflow: hidden; }
@media (prefers-reduced-motion: reduce) { #intro { display: none !important; } }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 40px; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  object-fit: cover; background: #fff;
}
.brand .name { font-weight: 800; font-size: 1.08rem; letter-spacing: 0.02em; }
.brand .sub { font-size: 0.66rem; color: var(--muted); letter-spacing: 0.06em; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: 0.92rem; font-weight: 600; color: #333; position: relative; transition: color 0.25s; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--red); transition: width 0.3s var(--ease);
}
.nav a:hover { color: var(--red); }
.nav a:hover::after { width: 100%; }
.header .btn { padding: 11px 22px; font-size: 0.88rem; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--ink); transition: 0.3s; transform-origin: center; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュー */
.mobile-menu {
  position: fixed; top: 114px; left: 0; right: 0; z-index: 95;
  background: #fff; border-bottom: 1px solid var(--line);
  box-shadow: 0 16px 30px rgba(0,0,0,0.10);
  display: flex; flex-direction: column; padding: 8px 24px 20px;
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
@media (min-width: 981px) { .mobile-menu { display: none; } }
.mobile-menu a {
  padding: 16px 4px; font-size: 1rem; font-weight: 700; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .mm-cta {
  margin-top: 14px; background: var(--red); color: #fff; text-align: center;
  border-radius: 999px; padding: 14px; border: none;
}

/* ---------- Hero ---------- */
.hero { padding: 64px 0 80px; position: relative; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 50px; align-items: center; }
.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem); font-weight: 900; line-height: 1.32;
  letter-spacing: 0.01em; margin-bottom: 26px;
}
.hero h1 .accent { color: var(--red); }
.hero .lead { font-size: 1.02rem; color: var(--text); margin-bottom: 34px; }

.mini-services { display: flex; gap: 30px; margin-bottom: 38px; }
.mini-services .m { text-align: center; }
.mini-services .m .ic {
  width: 56px; height: 56px; margin: 0 auto 10px; color: var(--red);
  display: grid; place-items: center;
}
.mini-services .m .ic svg { width: 38px; height: 38px; }
.mini-services .m .lab { font-weight: 800; font-size: 0.92rem; }

/* Hero right collage */
.collage {
  display: grid; gap: 12px;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: 150px 150px 150px;
  position: relative;
}
.collage .ph { border-radius: 14px; overflow: hidden; position: relative; box-shadow: var(--shadow); }
.collage .ph img { width: 100%; height: 100%; object-fit: cover; }
.collage .c1 { grid-column: 1; grid-row: 1 / span 2; }
.collage .c2 { grid-column: 2 / span 2; grid-row: 1; }
.collage .c3 { grid-column: 2; grid-row: 2; }
.collage .c4 { grid-column: 3; grid-row: 2 / span 2; }
.collage .c5 { grid-column: 1; grid-row: 3; }
.collage .c6 { grid-column: 2; grid-row: 3; }
.stats {
  grid-column: 2; grid-row: 3;
  background: var(--dark); color: #fff; border-radius: 14px;
  padding: 14px 16px; display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.stats .row { display: flex; justify-content: space-between; gap: 6px; text-align: center; }
.stats .row .n { font-size: 1.1rem; font-weight: 900; line-height: 1.1; }
.stats .row .n span { font-size: 0.6rem; font-weight: 600; }
.stats .row .t { font-size: 0.55rem; color: #bbb; letter-spacing: 0.04em; }
.stats .tag { font-size: 0.56rem; color: #cfcfcf; margin-top: 10px; text-align: center; line-height: 1.5; }

/* Placeholder photo look */
.photo {
  background: linear-gradient(135deg, #e9e7e3, #d8d5d0);
  display: grid; place-items: center; width: 100%; height: 100%;
  color: #9a958d; position: relative;
}
.photo .pl { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.photo .pl svg { width: 30px; height: 30px; opacity: 0.7; }
.photo .pl span { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em; }
.photo.red-tint { background: linear-gradient(135deg, #e7c9ca, #d9b4b6); color: #b06c70; }

/* ---------- Section base ---------- */
section { position: relative; }
.sec { padding: 92px 0; }
.sec.soft { background: var(--bg-soft); }
.eyebrow { color: var(--red); font-weight: 800; font-size: 0.82rem; letter-spacing: 0.18em; margin-bottom: 12px; }
.sec h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 900; letter-spacing: 0.01em; line-height: 1.4; }
.sec h2 em { color: var(--red); font-style: normal; }
.sec-head { margin-bottom: 50px; }

/* ---------- Services cards ---------- */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.scard {
  background: #fff; border-radius: var(--radius); padding: 38px 32px;
  box-shadow: var(--shadow); border: 1px solid #f0efed;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.scard:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.scard .ic { display: grid; place-items: center; width: 60px; height: 60px; color: var(--red); margin-bottom: 22px; }
.scard .ic svg { width: 100%; height: 100%; }
.scard h3 { font-size: 1.28rem; font-weight: 800; margin-bottom: 14px; }
.scard p { font-size: 0.92rem; color: var(--text); margin-bottom: 22px; }
.scard .more { color: var(--ink); font-weight: 700; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 8px; }
.scard .more::after { content: "→"; color: var(--red); transition: transform 0.3s var(--ease); }
.scard:hover .more::after { transform: translateX(5px); }

/* ---------- Works carousel ---------- */
.works { position: relative; }
.works-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.wcard { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); transition: transform 0.35s var(--ease); }
.wcard:hover { transform: translateY(-6px); }
.wcard .thumb { aspect-ratio: 4 / 3; overflow: hidden; }
.wcard .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.wcard:hover .thumb img { transform: scale(1.06); }
.wcard .cap { padding: 16px 18px; }
.wcard .cap h4 { font-size: 0.98rem; font-weight: 800; }
.wcard .cap .date { font-size: 0.74rem; color: var(--muted); margin-top: 4px; }
.car-btn {
  position: absolute; top: 38%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--red); color: #fff; display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(200, 22, 29, 0.3); z-index: 5; transition: background 0.25s, transform 0.25s;
}
.car-btn:hover { background: var(--red-dark); transform: translateY(-50%) scale(1.06); }
.car-btn.prev { left: -16px; }
.car-btn.next { right: -16px; }
.works .center { text-align: center; margin-top: 44px; }

/* ---------- Reasons ---------- */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.reason { text-align: center; }
.reason .ic {
  width: 70px; height: 70px; margin: 0 auto 18px; color: var(--red);
  display: grid; place-items: center; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow); border: 1px solid #f0efed;
}
.reason .ic svg { width: 34px; height: 34px; }
.reason h4 { font-size: 1.06rem; font-weight: 800; margin-bottom: 10px; }
.reason p { font-size: 0.86rem; color: var(--text); }

/* ---------- Instagram live feed ---------- */
.ig-feed[hidden] { display: none; }
.ig-feed-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  justify-content: center;
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}
.ig-card {
  position: relative;
  height: 640px;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #f0efed;
}
.ig-card iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 560px) { .ig-card { height: 600px; } }

/* ---------- CTA band ---------- */
.cta {
  background: linear-gradient(120deg, var(--red), var(--red-deep));
  color: #fff; padding: 78px 0; position: relative; overflow: hidden;
}
.cta .mark {
  position: absolute; right: -40px; top: 50%; transform: translateY(-50%);
  width: 340px; height: 340px; opacity: 0.10; color: #fff;
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 900; margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, 0.9); margin-bottom: 30px; font-size: 1rem; }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: #cfcfcf; padding: 64px 0 0; }
.footer .top { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; padding-bottom: 44px; }
.footer .brand .name { color: #fff; }
.footer .brand .sub { color: #888; }
.footer .fdesc { font-size: 0.86rem; margin: 18px 0 16px; max-width: 320px; line-height: 1.9; }
.footer .sns { display: flex; gap: 12px; }
.footer .sns a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid #3a3a3a;
  display: grid; place-items: center; color: #cfcfcf; transition: 0.25s;
}
.footer .sns a:hover { background: var(--red); border-color: var(--red); color: #fff; }
.footer .ig h5 { color: #fff; font-size: 0.92rem; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.06em; }
.ig-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.ig-grid .cell { aspect-ratio: 1; border-radius: 8px; overflow: hidden; }
.ig-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.ig-btns .btn { padding: 10px 18px; font-size: 0.8rem; background: #2a2a2a; color: #fff; }
.ig-btns .btn .arw { background: rgba(255, 255, 255, 0.12); width: 22px; height: 22px; }
.ig-btns .btn:hover { background: var(--red); }
.footer .bottom {
  border-top: 1px solid #2e2e2e; padding: 22px 0; display: flex;
  justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer .bottom nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer .bottom nav a { font-size: 0.8rem; color: #aaa; transition: color 0.2s; }
.footer .bottom nav a:hover { color: #fff; }
.footer .bottom .cr { font-size: 0.76rem; color: #777; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .nav, .header .btn { display: none; }
  .burger { display: flex; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .collage { max-width: 520px; }
  .cards3 { grid-template-columns: 1fr; }
  .works-track { grid-template-columns: repeat(2, 1fr); }
  .reasons { grid-template-columns: repeat(2, 1fr); }
  .footer .top { grid-template-columns: 1fr; }
  .car-btn { display: none; }
}
@media (max-width: 560px) {
  .demo-banner { justify-content: space-between; gap: 8px; font-size: 12px; }
  .demo-banner__text { display: none; }
  .demo-banner__link { padding: 5px 12px; font-size: 12px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 40px 0 56px; }
  .sec { padding: 64px 0; }
  .mini-services { gap: 18px; justify-content: space-between; }
  .collage { grid-template-rows: 120px 120px 120px; }
  .works-track { grid-template-columns: 1fr; }
  .reasons { grid-template-columns: 1fr; }
  .footer .bottom { flex-direction: column; align-items: flex-start; }
}