/* ==========================================================================
   M&A OWLWAYS合同会社 - style.css
   ========================================================================== */

:root {
  --color-bg: #faf7f2;
  --color-bg-alt: #f2ece2;
  --color-ink: #2b2a28;
  --color-ink-soft: #5c5852;
  --color-primary: #4a97ac;
  --color-primary-dark: #2c6b80;
  --color-primary-light: #9bd2dd;
  --color-brown: #a2653c;
  --color-brown-light: #e6b579;
  --color-accent: #f2c169;
  --color-gray: #918c88;
  --color-border: #ddccbd;
  --color-white: #ffffff;

  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "Montserrat", var(--font-jp), sans-serif;

  --container: 1120px;
  --section-pad: clamp(64px, 10vw, 140px);
}

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

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

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

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-head {
  text-align: center;
  margin-bottom: 64px;
}

.section-head h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
}

.section-head p {
  margin-top: 18px;
  color: var(--color-ink-soft);
}

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(.22,.61,.36,1), transform 0.9s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background-color .4s ease, box-shadow .4s ease, padding .4s ease;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header.is-scrolled {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 18px rgba(43, 42, 40, 0.08);
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  height: 44px;
  width: auto;
  transition: height .4s ease;
}
.site-header.is-scrolled .brand img { height: 36px; }

.brand-text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--color-white);
  transition: color .4s ease;
  line-height: 1.3;
}
.brand-text small {
  display: block;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.22em;
  opacity: .8;
}
.site-header.is-scrolled .brand-text { color: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: all .3s ease;
}
.site-header.is-scrolled .nav-toggle span,
.nav-open .nav-toggle span { background: var(--color-primary-dark); }

.main-nav ul {
  display: flex;
  gap: 40px;
}
.main-nav a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-white);
  transition: color .4s ease, opacity .3s ease;
  opacity: .92;
}
.main-nav a:hover { opacity: 1; color: var(--color-brown-light); }
.site-header.is-scrolled .main-nav a { color: var(--color-ink); }
.site-header.is-scrolled .main-nav a:hover { color: var(--color-primary); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}
.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.hero-media-img {
  /* このレイヤーはJSでパララックス（translateY）だけを担当 */
  position: absolute;
  inset: -10% -6% -10% -6%;
  will-change: transform;
}
.hero-media-img-inner {
  /* このレイヤーはCSSアニメーション（ゆっくり拡大 = ケンバーンズ効果）だけを担当 */
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  /* TODO: 写真受領後、ここに実写真を設定（background-image をJPGに差し替え） */
  background-image:
    radial-gradient(ellipse at 82% 12%, rgba(242, 193, 105, 0.55), transparent 48%),
    radial-gradient(ellipse at 10% 88%, rgba(162, 101, 60, 0.45), transparent 50%),
    linear-gradient(150deg, #6fc0d3 0%, #4a97ac 45%, #2c6b80 100%);
  animation: heroKenBurns 22s ease-out forwards;
  will-change: transform;
}
@keyframes heroKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.12); }
}
.hero-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(190deg, rgba(24, 58, 70, 0.32) 0%, rgba(24, 58, 70, 0.62) 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.08) 1px, transparent 1.6px);
  background-size: 26px 26px;
  opacity: .5;
  pointer-events: none;
}
.hero-owls {
  position: absolute;
  right: -80px;
  bottom: -60px;
  width: min(560px, 55vw);
  opacity: .14;
  filter: grayscale(1) brightness(2.6);
  pointer-events: none;
  z-index: 1;
  animation: heroFloat 7s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 90px;
}
.hero .eyebrow { color: #eaf6f9; }
.hero h1 {
  font-size: clamp(34px, 5.6vw, 64px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 28px;
  letter-spacing: 0.03em;
}
.hero h1 span {
  display: block;
}
.hero-lead {
  color: rgba(255,255,255,.86);
  max-width: 560px;
  font-size: 16px;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease, color .3s ease;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,0,0,.22); }
.btn-outline {
  border-color: rgba(255,255,255,.55);
  color: var(--color-white);
}
.btn-outline:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }

.scroll-cue {
  position: absolute;
  right: 32px;
  bottom: 40px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.75);
}
.scroll-cue span {
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
}
.scroll-cue .line {
  width: 1px;
  height: 46px;
  background: rgba(255,255,255,.5);
  overflow: hidden;
  position: relative;
}
.scroll-cue .line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ---------- mission strip ---------- */
.mission {
  background: var(--color-bg);
  padding: var(--section-pad) 0;
}
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.mission h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 20px;
}
.mission p { color: var(--color-ink-soft); }
.mission-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.mission-stat {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px 20px;
  text-align: center;
}
.mission-stat strong {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(15px, 1.6vw, 21px);
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: .01em;
}
.mission-stat span {
  font-size: 12px;
  color: var(--color-ink-soft);
  letter-spacing: .04em;
}

/* ---------- about ---------- */
.about {
  background: var(--color-bg-alt);
  padding: var(--section-pad) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.about-text p { color: var(--color-ink-soft); }
.about-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.about-table tr { border-bottom: 1px solid var(--color-border); }
.about-table tr:last-child { border-bottom: none; }
.about-table th, .about-table td {
  text-align: left;
  padding: 14px 10px;
  vertical-align: top;
  font-weight: 400;
}
.about-table th {
  width: 34%;
  color: var(--color-ink-soft);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}
.about-table td { color: var(--color-ink); line-height: 1.7; }
.about-note {
  margin-top: 28px;
  font-size: 13px;
  color: var(--color-gray);
  border-top: 1px dashed var(--color-border);
  padding-top: 20px;
}
.about-photo {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 24px 48px rgba(43,42,40,.14);
}
.about-photo .photo-frame {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 1.2s cubic-bezier(.22,.61,.36,1);
  /* TODO: 写真受領後、ここに実写真を差し替え */
  background-image:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.16), transparent 45%),
    linear-gradient(150deg, var(--color-primary-light), var(--color-primary) 55%, var(--color-primary-dark));
}
.about-photo:hover .photo-frame { transform: scale(1.06); }
.about-photo .photo-caption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  color: #fff;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .14em;
  background: rgba(30,47,52,.45);
  padding: 8px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* 汎用フォトフレーム（Gallery等で使い回す） */
.photo-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 16px 34px rgba(43,42,40,.12);
}
.photo-box .photo-frame {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 1s cubic-bezier(.22,.61,.36,1);
}
.photo-box:hover .photo-frame { transform: scale(1.08); }
.photo-box.ph-1 .photo-frame { background: linear-gradient(150deg, #9bd2dd, #4a97ac); }
.photo-box.ph-2 .photo-frame { background: linear-gradient(150deg, #e6b579, #a2653c); }
.photo-box.ph-3 .photo-frame { background: linear-gradient(150deg, #f2c169, #d99a4e); }
.photo-box.ph-4 .photo-frame { background: linear-gradient(150deg, #6fc0d3, #2c6b80); }

/* ---------- gallery ---------- */
.gallery { background: var(--color-bg); padding: var(--section-pad) 0; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

/* ---------- services ---------- */
.services { padding: var(--section-pad) 0; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 36px 30px;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(43,42,40,.10);
  border-color: var(--color-primary-light);
}
.service-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-brown);
  background: #f4e7db;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 19px;
  margin: 0 0 12px;
  font-weight: 700;
}
.service-card p {
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- news / note ---------- */
.news { background: var(--color-bg-alt); padding: var(--section-pad) 0; }
.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}
.news-head .section-head { text-align: left; margin-bottom: 0; }
.news-more {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-more:hover { color: var(--color-brown); }

.note-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}
.note-card {
  background: var(--color-white);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform .4s ease, box-shadow .4s ease;
  display: flex;
  flex-direction: column;
}
.note-card:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(43,42,40,.12); }
.note-card .thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  background-size: cover;
  background-position: center;
  position: relative;
}
.note-card .thumb::after {
  content: "note";
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .1em;
  color: #fff;
  background: rgba(0,0,0,.35);
  padding: 4px 9px;
  border-radius: 999px;
}
.note-card .body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.note-card time {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--color-gray);
}
.note-card h3 {
  font-size: 15.5px;
  line-height: 1.6;
  margin: 10px 0 0;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-empty, .note-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  color: var(--color-ink-soft);
  border: 1px dashed var(--color-border);
  border-radius: 18px;
  background: var(--color-white);
  font-size: 14px;
}
.note-skel {
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  overflow: hidden;
}
.note-skel .thumb-skel {
  aspect-ratio: 16/9;
  background: linear-gradient(90deg, #eee2d4 25%, #f5ede1 37%, #eee2d4 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
}
.note-skel .line-skel {
  height: 12px;
  margin: 18px 22px;
  border-radius: 6px;
  background: linear-gradient(90deg, #eee2d4 25%, #f5ede1 37%, #eee2d4 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
}
@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: 0 0; }
}

/* ---------- CTA ---------- */
.cta {
  padding: var(--section-pad) 0;
  background: linear-gradient(150deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-primary-light));
  color: var(--color-white);
  text-align: center;
}
.cta h2 {
  font-size: clamp(24px, 3.6vw, 34px);
  margin: 0 0 18px;
  font-weight: 700;
}
.cta p { color: rgba(255,255,255,.85); margin-bottom: 36px; }
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------- contact form ---------- */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}
.hp-field { position: absolute; left: -9999px; top: -9999px; }
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 8px;
  color: rgba(255,255,255,.9);
}
.form-row label span {
  color: #ffd9c2;
  font-size: 11px;
  margin-left: 8px;
  font-weight: 700;
}
.form-row label small {
  color: rgba(255,255,255,.55);
  font-size: 11px;
  margin-left: 8px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-family: var(--font-jp);
  font-size: 14px;
  resize: vertical;
  transition: border-color .3s ease, background .3s ease;
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: rgba(255,255,255,.4); }
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #fff;
  background: rgba(255,255,255,.14);
}
.contact-form .cta-actions { justify-content: flex-start; margin-top: 8px; }
.contact-form button[disabled] { opacity: .6; cursor: not-allowed; }
.form-msg {
  margin-top: 16px;
  font-size: 13px;
  min-height: 18px;
}
.form-msg.is-success { color: #b9f0c6; }
.form-msg.is-error { color: #ffc2c2; }

/* ---------- footer ---------- */
.site-footer {
  background: #1e2f34;
  color: rgba(255,255,255,.72);
  padding: 64px 0 28px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { height: 40px; }
.footer-brand div { font-family: var(--font-en); font-weight: 700; letter-spacing: .05em; color: #fff; }
.footer-brand small { display: block; font-size: 11px; letter-spacing: .18em; opacity: .6; font-weight: 500; }
.footer-nav ul { display: flex; gap: 30px; flex-wrap: wrap; }
.footer-nav a { font-size: 13px; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .mission-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    transition: transform .45s ease;
    z-index: 105;
  }
  .nav-open .main-nav { transform: translateY(0); }
  .main-nav ul { flex-direction: column; text-align: center; gap: 28px; }
  .main-nav a { color: var(--color-ink) !important; font-size: 18px; }
  .hero-owls { display: none; }
}

/* Mobile layout repair: keep closed navigation out of layout and constrain grids. */
@media (max-width: 860px) {
  .site-header,
  .site-header.is-scrolled {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .site-header .container { gap: 12px; }
  .brand { min-width: 0; gap: 8px; }
  .brand-text { font-size: clamp(12px, 3.6vw, 15px); }
  .nav-toggle { flex-shrink: 0; min-width: 44px; min-height: 44px; justify-content: center; }
  .main-nav {
    display: none;
    transform: none;
    transition: none;
    height: 100vh;
    height: 100dvh;
    padding: 80px 24px 24px;
    overflow-y: auto;
  }
  .nav-open .main-nav { display: flex; }
  .nav-open { overflow: hidden; }
  .main-nav ul { width: 100%; margin: auto; gap: 16px; }
  .main-nav a { display: block; padding: 6px 0; }
  .mission-grid, .about-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .mission-grid > *, .about-grid > *, .footer-top > * { min-width: 0; }
  .mission-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .mission-stat { padding: 20px 8px; }
  .mission-stat strong { font-size: clamp(12px, 3.4vw, 18px); overflow-wrap: anywhere; }
  .about-table { table-layout: fixed; }
  .about-table td { overflow-wrap: anywhere; }
  .gallery-grid, .service-grid, .note-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-inner { padding-top: 110px; padding-bottom: 64px; }
  .hero h1 { font-size: clamp(28px, 7.4vw, 44px); }
  .hero-actions { gap: 14px; }
  .btn { max-width: 100%; }
  .footer-brand { min-width: 0; }
  .footer-brand div { overflow-wrap: anywhere; }
  .footer-bottom { overflow-wrap: anywhere; }
  .scroll-cue { display: none; }
}
@media (max-width: 360px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .mission-stats { grid-template-columns: minmax(0, 1fr); }
}