/* =========================================================
   Conference Travel LP — main.css
   ネイビー × ゴールド / 明朝見出し × ゴシック本文
   ========================================================= */

:root {
  --accent: #b8860b;
  --accent-2: #c1912f;
  --navy: #0e1b2f;      /* hero / scope 背景 */
  --navy-2: #14273f;    /* trust / cta 背景 */
  --bg: #f7f4ee;        /* ページ背景 */
  --ink: #16233a;       /* 基本文字 */
  --muted: #42506a;     /* 本文グレー */
  --muted-2: #6a7688;   /* 補足グレー */
  --card-border: rgba(20, 39, 63, 0.08);
  --serif: 'Zen Old Mincho', serif;
  --sans: 'Noto Sans JP', sans-serif;
}

/* ---------- reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.9;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: var(--accent); }
a:hover { color: var(--accent-2); }
::selection { background: var(--navy-2); color: #e7b64d; }

/* ---------- shared layout ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 40px);
  padding-right: clamp(20px, 5vw, 40px);
}
.section { padding-top: clamp(72px, 9vw, 120px); padding-bottom: clamp(72px, 9vw, 120px); }

/* eyebrow ラベル（細い金罫線 + レタースペース） */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.eyebrow.is-center { justify-content: center; }
.eyebrow-line { width: 30px; height: 1px; background: var(--accent); }
.eyebrow-text {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--accent);
  white-space: nowrap;
}

.heading {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  font-size: clamp(28px, 3.4vw, 40px);
}
.heading .accent { color: var(--accent); }
/* 日本語が語の途中で折り返さないよう文節を inline-block に */
.heading .kw, .hero-title .kw { display: inline-block; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 244, 238, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--card-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo { height: 55px; width: auto; }
.logo-link { display: inline-flex; align-items: center; }
.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 34px);
  font-size: 14px;
  font-weight: 500;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color 0.2s;
}
.nav a:hover { color: var(--navy-2); }
.nav-cta {
  background: var(--navy-2);
  color: #fff !important;
  padding: 11px 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--navy); }

/* --- burger button（既定は非表示。iPad/iPhone で表示） --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--navy-2);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

/* --- iPad / iPhone: バーガー + ドロワー --- */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(247, 244, 238, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--card-border);
    box-shadow: 0 24px 40px -28px rgba(20, 39, 63, 0.5);
    padding: 4px clamp(20px, 5vw, 40px) 22px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.34s ease, opacity 0.24s ease, visibility 0.24s;
  }
  .site-header.is-open .nav {
    max-height: 80vh;
    opacity: 1;
    visibility: visible;
  }
  .nav a {
    padding: 16px 2px;
    font-size: 15px;
    border-bottom: 1px solid var(--card-border);
  }
  .nav-cta {
    margin-top: 16px;
    text-align: center;
    border-bottom: 0;
  }

  /* バーガー → × */
  .site-header.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
  .site-header.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--navy);
  color: #f2efe8;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 82% 18%, rgba(184, 134, 11, 0.16), transparent 42%);
  pointer-events: none;
}
.hero-ring {
  position: absolute;
  top: -180px;
  right: -140px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.22);
}
.hero-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
  padding-top: clamp(64px, 9vw, 116px);
  padding-bottom: clamp(64px, 9vw, 116px);
}
.hero-copy { flex: 1 1 440px; min-width: min(100%, 440px); }
.hero .eyebrow-text { letter-spacing: 0.26em; }
.hero-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(33px, 5.2vw, 58px);
  line-height: 1.42;
  letter-spacing: 0.015em;
  margin-bottom: 30px;
}
.hero-title .accent { color: var(--accent); }
.hero-lead {
  font-size: clamp(15px, 1.5vw, 17.5px);
  color: rgba(242, 239, 232, 0.82);
  max-width: 30em;
  margin-bottom: 42px;
  line-height: 1.95;
  text-align: justify;
}

.hero-lead .kw { display: inline-block; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  text-decoration: none;
  padding: 17px 36px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.05em;
  box-shadow: 0 16px 34px -10px rgba(184, 134, 11, 0.5);
  transition: filter 0.2s;
}
.btn-primary:hover { filter: brightness(1.08); color: var(--navy); }
.btn-ghost {
  border: 1px solid rgba(242, 239, 232, 0.32);
  color: #f2efe8;
  text-decoration: none;
  padding: 17px 32px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.05em;
  transition: border-color 0.2s;
}
.btn-ghost:hover { border-color: #f2efe8; color: #f2efe8; }

.hero-visual { flex: 1 1 300px; min-width: min(100%, 300px); position: relative; }
.hero-frame {
  aspect-ratio: 4 / 5;
  background-image: repeating-linear-gradient(135deg, rgba(184, 134, 11, 0.13) 0px, rgba(184, 134, 11, 0.13) 2px, transparent 2px, transparent 14px);
  border: 1px solid rgba(184, 134, 11, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-frame span {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(242, 239, 232, 0.5);
  text-align: center;
  line-height: 2;
}
.hero-badge {
  position: absolute;
  bottom: -28px;
  left: -24px;
  background: #fff;
  color: var(--ink);
  padding: 22px 26px;
  box-shadow: 0 30px 60px -22px rgba(0, 0, 0, 0.55);
  max-width: 220px;
}

sup {
  font-size: 0.5em;
  vertical-align: super;
}

.hero-badge-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.02em;
}
.hero-badge-text { font-size: 12.5px; color: var(--muted); margin-top: 8px; line-height: 1.7; }

/* ---------- trust strip ---------- */
.trust { background: var(--navy-2); color: rgba(242, 239, 232, 0.92); }
.trust-inner {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding-top: 24px;
  padding-bottom: 24px;
}
.trust-inner span { white-space: nowrap; }
.trust-sep { color: var(--accent); }

/* ---------- problem ---------- */
.lead-block { max-width: 44em; }
.lead-block.is-center { max-width: none; text-align: center; }
.lead-block.is-center p { max-width: 44em; margin-left: auto; margin-right: auto; text-align: left;  text-align: justify;}
.lead-block p { font-size: 16px; color: var(--muted); line-height: 1.95; text-align: justify; }
.lead-block p + p { margin-top: 22px; }
.heading + .lead-block { margin-top: 0; }
.problem .heading { margin-bottom: 26px; }
.mark {
  background: linear-gradient(transparent 62%, rgba(184, 134, 11, 0.24) 62%);
  color: inherit;
  padding: 0 1px;
}

/* participant voices slider */
.marquee-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(36px, 4.5vw, 52px);
}
.marquee-title-text {
  font-family: var(--serif);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}
.marquee-title-line { height: 1px; flex: 1; background: rgba(20, 39, 63, 0.14); }

.marquee {
  margin-top: 18px;
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: ctMarquee 60s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes ctMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.q-card {
  flex: 0 0 auto;
  background: #fff;
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--accent);
  padding: 20px 26px;
  font-size: 14.5px;
  color: #2a3a52;
  line-height: 1.7;
  white-space: nowrap;
}

/* problem panel (navy) */
.problem-panel {
  margin-top: clamp(40px, 5vw, 64px);
  margin-left: auto;
  margin-right: auto;
  max-width: 52em;
  background: var(--navy);
  color: #f2efe8;
  padding: clamp(36px, 4.5vw, 52px);
}
.problem-panel p {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.95;
  text-align: justify;
}
.problem-panel p:first-child { margin-bottom: 20px; }
.problem-panel p:last-child { color: rgba(242, 239, 232, 0.8); }
.accent-strong { color: var(--accent); font-weight: 700; }

/* ---------- service / solution ---------- */
.service {
  background: #fff;
  border-top: 1px solid rgba(20, 39, 63, 0.06);
  border-bottom: 1px solid rgba(20, 39, 63, 0.06);
}
.service-inner { text-align: center; }
.service-lead {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--muted);
  max-width: 40em;
  margin: 0 auto 16px;
  line-height: 1.95;
  text-align: left;
  text-align: justify;
}
.service-sub {
  font-size: 15px;
  color: var(--muted-2);
  max-width: 44em;
  margin: 0 auto clamp(48px, 5vw, 64px);
  line-height: 1.9;
  text-align: left;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 1px;
  background: rgba(20, 39, 63, 0.1);
  border: 1px solid rgba(20, 39, 63, 0.1);
  text-align: left;
}
.sol-cell { background: #fff; padding: 34px 20px; }
.sol-num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.sol-title { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.sol-desc { font-size: 12.5px; color: var(--muted-2); line-height: 1.7; }

/* ---------- features ---------- */
.section-head { text-align: center; margin-bottom: clamp(48px, 6vw, 64px); }
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 22px;
}
.feat-card {
  background: #fff;
  border: 1px solid var(--card-border);
  padding: 38px 34px;
  transition: box-shadow 0.25s, transform 0.25s;
}
.feat-card:hover {
  box-shadow: 0 26px 50px -24px rgba(20, 39, 63, 0.4);
  transform: translateY(-4px);
}
.feat-top { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.feat-num {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--accent);
  border: 1px solid var(--accent);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.feat-line { height: 1px; flex: 1; background: rgba(20, 39, 63, 0.12); }
.feat-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 13px;
  line-height: 1.5;
}
.feat-desc { font-size: 14.5px; color: var(--muted-2); line-height: 1.85; }

/* ---------- scope ---------- */
.scope { background: var(--navy); color: #f2efe8; }
.scope-head { text-align: center; margin-bottom: clamp(48px, 6vw, 64px); }
.scope-head .heading { margin-bottom: 20px; }
.scope-lead {
  font-size: 15.5px;
  color: rgba(242, 239, 232, 0.78);
  max-width: 40em;
  margin: 0 auto;
  line-height: 1.9;
  text-align: left;
}
.scope-grid { display: flex; flex-wrap: wrap; gap: 24px; align-items: stretch; }
.scope-primary {
  flex: 1 1 280px;
  min-width: min(100%, 280px);
  background: #ffffff;
  color: var(--navy);
  padding: clamp(32px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.scope-primary-title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 27px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.scope-primary p { font-size: 14.5px; line-height: 1.9; }
.scope-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 2px;
}
.scope-points li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.7;
  text-align: left;
}
.scope-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--serif);
  font-weight: 700;
}
.scope-list {
  flex: 2 1 420px;
  min-width: min(100%, 420px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(242, 239, 232, 0.14);
  padding: clamp(32px, 4vw, 44px);
}
.scope-list-title {
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid rgba(242, 239, 232, 0.24);
  padding: 9px 17px;
  font-size: 13.5px;
  white-space: nowrap;
}

/* ---------- use cases ---------- */
.uc-head { text-align: center; margin-bottom: clamp(44px, 5vw, 56px); }
.uc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(265px, 1fr));
  gap: 18px;
}
.uc-card {
  background: #fff;
  border: 1px solid var(--card-border);
  padding: 30px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.uc-check {
  color: var(--accent);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  flex: 0 0 auto;
}

/* ---------- cta ---------- */
.cta { background: var(--navy-2); color: #f2efe8; position: relative; overflow: hidden; }
.cta-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 680px);
  height: min(90vw, 680px);
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.18);
}
.cta-inner {
  position: relative;
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
  padding-top: clamp(72px, 9vw, 120px);
  padding-bottom: clamp(72px, 9vw, 120px);
  padding-left: clamp(20px, 5vw, 40px);
  padding-right: clamp(20px, 5vw, 40px);
}
.cta-title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}
.cta-title .kw { display: inline-block; }
.cta-lead {
  font-size: clamp(15px, 1.5vw, 16.5px);
  color: rgba(242, 239, 232, 0.82);
  margin: 0 auto 46px;
  line-height: 1.95;
  max-width: 34em;
}
.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  text-decoration: none;
  padding: 18px 46px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  box-shadow: 0 18px 44px -14px rgba(184, 134, 11, 0.6);
  transition: filter 0.2s;
}
.cta-btn:hover { filter: brightness(1.08); color: var(--navy); }
.cta-email {
  margin-top: 26px;
  font-size: 15px;
  color: rgba(242, 239, 232, 0.72);
  letter-spacing: 0.06em;
}

/* ---------- footer ---------- */
.footer {
  background: var(--navy);
  color: rgba(242, 239, 232, 0.6);
  border-top: 1px solid rgba(242, 239, 232, 0.08);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 44px;
  padding-bottom: 44px;
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; flex-wrap: wrap; }
.footer-brand-main { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.footer-license {
  font-size: 11.5px;
  line-height: 1.7;
  color: rgba(242, 239, 232, 0.5);
  text-align: left;
  letter-spacing: 0.03em;
}
.footer-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: #f2efe8;
  letter-spacing: 0.02em;
}
.footer-tag { font-size: 12.5px; }

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  text-align: right;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-links a {
  color: rgba(242, 239, 232, 0.72);
  text-decoration: none;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}
.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.footer-links a:hover { color: #f2efe8; }
.footer-links a:hover::after { transform: scaleX(1); }
.footer-links-sep { color: rgba(242, 239, 232, 0.28); font-size: 11px; }

.footer-copy { font-size: 12.5px; letter-spacing: 0.05em; }

@media (max-width: 640px) {
  .footer-meta { align-items: flex-start; text-align: left; }
  .footer-links { justify-content: flex-start; }
  .marquee-title-text { white-space: normal; }
}


.license-text {
  position: relative;
  margin-top: 24px;
  padding: 20px 24px 20px 56px;
  background: #f7f9fb;
  border: 1px solid #dfe8ee;
  border-radius: 12px;
  font-size: 15px;
  line-height: 1.9;
  color: #333;
}

.license-text::before {
  content: "✓";
  position: absolute;
  top: 22px;
  left: 24px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #2f6f8f;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  line-height: 22px;
  text-align: right;
}

.license-text p {
  margin: 0;
}

.license-text p + p {
  margin-top: 8px;
}

.license-number {
  font-size: 14px;
  color: #555;
  font-weight: 600;
}