/* ============================================================
   AQTEC Co., Ltd. corporate site — base stylesheet
   Theme: 水色(aqua) / ガラス(glass) / 泡(bubbles)
   ============================================================ */

:root {
  --c-primary:        #1CA7D0;
  --c-primary-dark:   #0E7AA0;
  --c-primary-deep:   #0A5A79;
  --c-primary-light:  #8FE3F0;
  --c-aqua-pale:      #EAFBFD;
  --c-bg:             #F3FBFC;
  --c-glass:          rgba(255, 255, 255, 0.55);
  --c-glass-strong:   rgba(255, 255, 255, 0.78);
  --c-glass-border:   rgba(255, 255, 255, 0.65);
  --c-text:           #103244;
  --c-text-soft:      #4E7889;
  --c-white:          #ffffff;
  --shadow-soft:      0 8px 30px rgba(14, 122, 160, 0.12);
  --shadow-glass:     0 4px 24px rgba(14, 122, 160, 0.10);
  --radius-lg:        28px;
  --radius-md:        18px;
  --radius-sm:        10px;
  --header-h:         84px;
  --max-w:            1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

.en {
  font-family: "Quicksand", "Noto Sans JP", sans-serif;
  letter-spacing: 0.04em;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- bubble decoration layer ---------- */
.bubbles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.bubbles span {
  position: absolute;
  bottom: -120px;
  display: block;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.85), rgba(255,255,255,0.05) 70%);
  border: 1px solid rgba(255,255,255,0.5);
  animation: rise linear infinite;
}
@keyframes rise {
  0%   { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
  10%  { opacity: 0.9; }
  100% { transform: translateY(-120vh) translateX(20px) scale(1.15); opacity: 0; }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: var(--c-glass);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--c-glass-border);
  transition: background 0.3s ease;
}

.site-header .wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--c-primary-deep);
}
.logo img { height: 54px; width: auto; }

.gnav {
  display: flex;
  gap: 34px;
}
.gnav a {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary-deep);
  padding: 6px 2px;
}
.gnav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 2px;
  background: var(--c-primary);
  transition: width 0.25s ease;
}
.gnav a:hover::after,
.gnav a.is-active::after { width: 100%; }
.gnav a.store-link {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  padding: 9px 18px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(14,122,160,0.28);
}
.gnav a.store-link::after { display: none; }

.nav-toggle {
  display: none;
  width: 30px; height: 24px;
  position: relative;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute; left: 0;
  width: 100%; height: 2px;
  background: var(--c-primary-deep);
  transition: 0.25s;
}
.nav-toggle span { top: 11px; }
.nav-toggle span::before { top: -9px; }
.nav-toggle span::after { top: 9px; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 70px;
  background: linear-gradient(160deg, var(--c-primary-light) 0%, var(--c-primary) 55%, var(--c-primary-dark) 100%);
  color: #fff;
  overflow: hidden;
}
.page-hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  margin: 0 0 8px;
}
.page-hero p.lead {
  color: rgba(255,255,255,0.9);
  max-width: 560px;
}
.page-hero .breadcrumb {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 18px;
}
.page-hero .breadcrumb a { text-decoration: underline; }

/* ============================================================
   HERO SLIDER (TOP page)
   ============================================================ */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
}
.hero-slider .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.6s ease;
}
.hero-slider .slide.is-active { opacity: 1; }
.hero-slider .slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-slider .slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,90,121,0.25) 0%, rgba(10,90,121,0.55) 100%);
}
.hero-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  padding: 0 0 90px;
  text-align: center;
  color: #fff;
}
.hero-caption .catch {
  font-size: clamp(26px, 4.2vw, 44px);
  font-weight: 700;
  text-shadow: 0 4px 18px rgba(0,0,0,0.25);
  margin: 0 0 14px;
}
.hero-caption .sub {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.92);
}
.hero-dots {
  position: absolute;
  z-index: 6;
  bottom: 34px; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
}
.hero-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.25);
  cursor: pointer;
  padding: 0;
}
.hero-dots button.is-active { background: #fff; }
.scroll-cue {
  position: absolute;
  z-index: 6;
  left: 50%; bottom: 90px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.85);
  border-radius: 20px;
}
.scroll-cue::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: #fff;
  border-radius: 3px;
  animation: cue 1.6s ease infinite;
}
@keyframes cue {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; }
}

/* ============================================================
   SECTIONS / GLASS CARDS
   ============================================================ */
section { position: relative; }
.section-pad { padding: 100px 0; }
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary-dark);
  letter-spacing: 0.16em;
  background: var(--c-aqua-pale);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(24px, 3.6vw, 34px);
  margin: 0 0 10px;
  color: var(--c-primary-deep);
}
.section-head p { color: var(--c-text-soft); margin: 0 auto; max-width: 520px; }

.glass-card {
  background: var(--c-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.about-strip {
  background: linear-gradient(135deg, var(--c-aqua-pale), #ffffff);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}
.about-grid .glass-card { padding: 40px; }
.about-grid img { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.tile {
  padding: 34px 28px;
  text-align: left;
}
.tile .tile-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--c-primary-light), var(--c-primary));
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 700;
}
.tile h3 { margin: 0 0 10px; font-size: 18px; color: var(--c-primary-deep); }
.tile p { margin: 0; color: var(--c-text-soft); font-size: 14.5px; }

/* footer link boxes (per wireframe: ONLINE STORE / Product / WORKS) */
.footer-links {
  background: linear-gradient(180deg, var(--c-primary-dark) 0%, var(--c-primary-deep) 100%);
  padding: 70px 0 0;
  position: relative;
  overflow: hidden;
}
.footer-links .grid-3 { gap: 24px; margin-bottom: 60px; }
.footer-box {
  position: relative;
  z-index: 2;
  padding: 40px 24px;
  text-align: center;
  color: #fff;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  transition: transform 0.25s ease, background 0.25s ease;
}
.footer-box:hover { transform: translateY(-6px); background: rgba(255,255,255,0.18); }
.footer-box .fb-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}
.footer-box .fb-title { font-size: 21px; font-weight: 700; }

.site-footer {
  background: var(--c-primary-deep);
  color: rgba(255,255,255,0.85);
  padding: 34px 0 26px;
  font-size: 13px;
  position: relative;
  z-index: 2;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 22px;
}
.site-footer .foot-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer .foot-nav a { opacity: 0.85; }
.site-footer .foot-nav a:hover { opacity: 1; text-decoration: underline; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
  box-shadow: 0 10px 26px rgba(14,122,160,0.32);
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-outline {
  background: transparent;
  color: var(--c-primary-deep);
  border: 1.5px solid var(--c-primary);
}

/* ============================================================
   COMING SOON (ONLINE STORE placeholder)
   ============================================================ */
.coming-soon {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.coming-soon .glass-card {
  padding: 60px 50px;
  max-width: 560px;
}
.coming-soon .eyebrow {
  font-size: 13px; letter-spacing: 0.18em; color: var(--c-primary-dark); font-weight: 700;
}
.coming-soon h1 { font-size: clamp(26px, 4vw, 38px); color: var(--c-primary-deep); margin: 14px 0; }
.coming-soon p { color: var(--c-text-soft); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr !important; }
  .gnav {
    position: fixed;
    top: var(--header-h); right: 0;
    width: 240px; height: calc(100vh - var(--header-h));
    background: var(--c-glass-strong);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 30px 26px;
    gap: 22px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-left: 1px solid var(--c-glass-border);
  }
  .gnav.is-open { transform: translateX(0); }
  .nav-toggle { display: block; }
  .grid-3 { grid-template-columns: 1fr; }
  .section-pad { padding: 70px 0; }
}

/* ============================================================
   PRICE SIMULATOR (ONLINE STORE)
   ============================================================ */
.sim-notice {
  max-width: var(--max-w);
  margin: 0 auto 34px;
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  background: #FFF6E5;
  border: 1px solid #F0D48A;
  color: #7A5A00;
  font-size: 13.5px;
}

.sim-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 34px;
  align-items: start;
}

.sim-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}
.sim-progress span {
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--c-aqua-pale);
  color: var(--c-primary-dark);
  opacity: 0.55;
}
.sim-progress span.is-current {
  background: var(--c-primary);
  color: #fff;
  opacity: 1;
}
.sim-progress span.is-done {
  opacity: 0.9;
}

.sim-card {
  padding: 40px;
}
.sim-step { display: none; }
.sim-step.is-active { display: block; animation: fadein 0.35s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.sim-step h3 {
  margin: 0 0 6px;
  color: var(--c-primary-deep);
  font-size: 20px;
}
.sim-step .sim-step-desc {
  color: var(--c-text-soft);
  font-size: 14px;
  margin: 0 0 22px;
}

.option-list {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}
.option-list.cols-2 { grid-template-columns: 1fr 1fr; }

.option-card {
  position: relative;
  display: block;
  border: 1.5px solid rgba(14,122,160,0.18);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.option-card input { position: absolute; opacity: 0; }
.option-card .oc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.option-card .oc-title { font-weight: 700; color: var(--c-text); font-size: 15px; }
.option-card .oc-price { font-weight: 700; color: var(--c-primary-dark); font-size: 14px; white-space: nowrap; }
.option-card:hover { border-color: var(--c-primary); }
.option-card.is-selected {
  border-color: var(--c-primary);
  background: var(--c-aqua-pale);
  transform: translateY(-1px);
}
.option-card.is-selected .oc-title { color: var(--c-primary-deep); }

.sim-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
}
.sim-nav .btn[disabled] { opacity: 0.35; pointer-events: none; }

.sim-summary {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: 32px;
}
.sim-summary h3 { margin: 0 0 18px; color: var(--c-primary-deep); font-size: 17px; }
.sim-summary ul { display: grid; gap: 10px; margin-bottom: 18px; }
.sim-summary li {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--c-text-soft);
  border-bottom: 1px dashed rgba(14,122,160,0.15);
  padding-bottom: 8px;
}
.sim-summary li span:last-child { color: var(--c-text); font-weight: 600; }
.sim-summary .sim-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-primary-deep);
}
.sim-summary .sim-total strong { font-size: 26px; }
.sim-summary .sim-note {
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--c-text-soft);
}

.sim-form-grid { display: grid; gap: 16px; margin-bottom: 22px; }
.sim-form-grid label { display: block; font-size: 13px; font-weight: 700; color: var(--c-primary-deep); margin-bottom: 6px; }
.sim-form-grid input, .sim-form-grid textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid rgba(14,122,160,0.25); font-family: inherit; font-size: 14px;
}

@media (max-width: 900px) {
  .sim-layout { grid-template-columns: 1fr; }
  .option-list.cols-2 { grid-template-columns: 1fr; }
  .sim-summary { position: static; }
}

/* ---- hole position spec (overflow step) ---- */
.hole-spec {
  margin: 8px 0 26px;
  padding: 22px 22px 8px;
  border-radius: var(--radius-sm);
  background: var(--c-aqua-pale);
  border: 1px solid rgba(14,122,160,0.18);
}
.hole-spec h4 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--c-primary-deep);
}
.hole-spec h4 span {
  font-size: 11px;
  font-weight: 700;
  margin-left: 8px;
}
.hole-diagram {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.hole-diagram svg { width: 150px; height: auto; flex-shrink: 0; }
.hole-diagram-caption {
  margin: 0;
  font-size: 12.5px;
  color: var(--c-text-soft);
  flex: 1;
  min-width: 180px;
}

/* ---- disabled option-card (order blocked when hole position undecided) ---- */
.option-card.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  background: #F4F4F4;
}

/* ---- hole A/B fields ---- */
.hole-abc-grid { grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) {
  .hole-abc-grid { grid-template-columns: 1fr; }
}