/* ========== RESET & BASE ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans JP', 'Noto Sans', sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ========== GRADIENT TEXT UTILITY ========== */
.gradient-text {
  background: linear-gradient(90deg, #CA2CF4 0%, #25B6DD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1200px;
  z-index: 1000;
  background: rgba(17, 18, 21, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-radius: 20px;
  padding: 0 32px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1), top 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.header--scrolled {
  background: rgba(17, 18, 21, 0.95);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  top: 10px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 44px;
  height: auto;
  object-fit: contain;
}

.logo-text {
  font-family: 'Dela Gothic One', cursive;
  font-size: 17px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.08em;
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #9D78EA;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: #fff;
}

.nav-link:hover::after {
  width: 100%;
}

/* Nav Dropdown */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(26, 27, 31, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 12px;
  padding: 8px 0;
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  margin-top: 8px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.06);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
  display: block;
  padding: 10px 24px;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-dropdown-link:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.btn-contact-header {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #111215;
  background: #fff;
  border-radius: 60px;
  padding: 10px 32px;
  letter-spacing: 0.06em;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-contact-header:hover {
  background: #9D78EA;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(157, 120, 234, 0.4);
}

/* ==========================================================================
   TRAVI PRODUCT PAGE
   レイアウト基準幅 1440px（tripclear.jp/ota の実測値に準拠）
   ========================================================================== */

/* ========== TRAVI HERO ========== */
.travi-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 150px 6.5% 90px;
  background: linear-gradient(150deg, #6B45A6 0%, #8A54C6 42%, #AE60CE 78%, #C069CE 100%);
}

/* Kyoto temple photo, heavily violet-tinted, anchored bottom-right */
.travi-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(150deg, rgba(84,52,140,0.72) 0%, rgba(120,64,176,0.60) 45%, rgba(168,92,196,0.55) 100%),
    url(../images/ota/travi-bg.webp?v=2);
  background-size: cover, 130%;
  background-position: center, right 62%;
  background-repeat: no-repeat;
  filter: saturate(1.05);
}
/* soft vignette + top fade so the header stays legible */
.travi-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(60,38,104,0.55) 0%, rgba(60,38,104,0) 24%),
    radial-gradient(120% 80% at 50% 40%, rgba(0,0,0,0) 55%, rgba(52,30,92,0.42) 100%);
}

.travi-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

/* ---- left column copy ---- */
.travi-hero-copy {
  color: #fff;
}

.travi-hero-brandrow {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 24px);
  margin: 2px 0 26px;
}

.travi-hero-logo {
  display: inline-block;
  line-height: 0;
}
.travi-hero-logo img {
  display: block;
  width: clamp(48px, 5vw, 78px);
  height: auto;
  filter: drop-shadow(0 8px 22px rgba(40,18,80,0.3));
}

.travi-hero-eyebrow {
  font-size: clamp(20px, 2.1vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: #fff;
}

.travi-hero-brand {
  font-family: 'Jost', 'Outfit', sans-serif;
  font-size: clamp(56px, 7vw, 104px);
  font-weight: 700;
  line-height: 1.02;
  margin: 0;
  width: fit-content;
  background: linear-gradient(92deg, #F04CE0 0%, #C56BF6 55%, #A98BFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 20px rgba(224,60,220,0.28));
}

.travi-hero-lead {
  font-size: clamp(24px, 2.7vw, 40px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: #fff;
}

.travi-hero-sub {
  margin-top: 22px;
  font-family: 'Jost', 'Outfit', sans-serif;
  font-size: clamp(20px, 2.3vw, 34px);
  font-weight: 400;
  line-height: 1.35;
  color: rgba(255,255,255,0.66);
}

/* ---- right column: phone + floating caption ---- */
.travi-hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
}

.travi-hero-caption {
  z-index: 3;
  text-align: right;
  color: #fff;
  max-width: 440px;
  margin-bottom: 22px;
}

.travi-hero-caption-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 7px 16px 7px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(38,16,74,0.28);
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.92);
}

/* overlapping brand icon chips */
.travi-hero-src {
  display: inline-flex;
  align-items: center;
}
.travi-hero-src-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  color: #fff;
  box-shadow: 0 2px 8px rgba(20,8,44,0.35);
  border: 1.5px solid rgba(255,255,255,0.9);
}
.travi-hero-src-icon svg { width: 15px; height: 15px; }
.travi-hero-src-icon + .travi-hero-src-icon { margin-left: -9px; }
.travi-hero-src-yt {
  background: #FF0000;
}
.travi-hero-src-tt {
  background: #111;
  position: relative;
}
.travi-hero-src-label,
.travi-hero-src-text { display: inline-block; }

.travi-hero-caption-title {
  margin: 12px 0 16px;
  font-size: clamp(24px, 2.7vw, 40px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.01em;
  text-shadow: 0 4px 24px rgba(50,22,92,0.35);
}

.travi-hero-caption-badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(246,206,134,0.22);
  border: 1px solid rgba(246,206,134,0.55);
  color: #FBE3B6;
  font-size: clamp(14px, 1.35vw, 20px);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.travi-hero-phone {
  width: clamp(260px, 30vw, 450px);
  height: auto;
  align-self: flex-end;
  transform: rotate(-9deg);
  filter: drop-shadow(0 40px 80px rgba(38,16,74,0.45));
}

/* ========== FEATURES（3ステップ機能紹介） ========== */
.travi-features {
  position: relative;
  overflow: hidden;
  padding: 100px 6.5% 110px;
  background: linear-gradient(180deg, #6E44A8 0%, #5A3A96 55%, #4E3487 100%);
}
/* soft colored glows to echo the app's neon accents */
.travi-features::before {
  content: "";
  position: absolute;
  top: -12%;
  left: -8%;
  width: 46%;
  height: 60%;
  background: radial-gradient(circle, rgba(224,72,220,0.28) 0%, rgba(224,72,220,0) 70%);
  pointer-events: none;
}
.travi-features::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -14%;
  width: 48%;
  height: 62%;
  background: radial-gradient(circle, rgba(46,180,214,0.24) 0%, rgba(46,180,214,0) 70%);
  pointer-events: none;
}

.travi-features-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.travi-features-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
  color: #fff;
}

.travi-features-eyebrow {
  font-family: 'Jost', 'Outfit', sans-serif;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #F6CE86;
  margin-bottom: 14px;
}

.travi-features-title {
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.travi-features-lead {
  margin-top: 20px;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 500;
  line-height: 1.9;
  color: rgba(255,255,255,0.78);
}

.travi-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.travi-feature-card {
  display: flex;
  flex-direction: column;
}

.travi-feature-tag {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.travi-feature-step {
  font-family: 'Jost', 'Outfit', sans-serif;
  font-size: clamp(13px, 1.15vw, 15px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #F6CE86;
}

.travi-feature-name {
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  color: #fff;
}

.travi-feature-shot {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 26px 54px rgba(30,14,66,0.42);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.travi-feature-shot img {
  display: block;
  width: 100%;
  height: auto;
}
.travi-feature-card:hover .travi-feature-shot {
  transform: translateY(-6px);
  box-shadow: 0 34px 66px rgba(30,14,66,0.5);
}

.travi-feature-desc {
  margin-top: 22px;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 500;
  line-height: 1.85;
  color: rgba(255,255,255,0.82);
}
.travi-feature-desc strong {
  color: #fff;
  font-weight: 700;
}

/* ========== MISSION ========== */
.travi-mission {
  background: #fff;
  padding: 25px 20px;
}

.travi-mission-text {
  width: 480px;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.4;
  background: linear-gradient(90deg, #B82DF1 0%, #598BE3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ========== ABOUT ========== */
.travi-about {
  height: min(786px, 54.58vw);
}

.travi-about-inner {
  position: relative;
  width: 1440px;
  max-width: 100%;
  height: 100%;
  margin: 0 auto;
}

.travi-about-promo {
  position: absolute;
  top: 66px;
  left: 10.14%;
  width: 41.94%;
  height: auto;
}

.travi-about-circle {
  position: absolute;
  top: 88px;
  left: 47.15%;
  width: 42.36%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, #D61EF5 0%, #35B9DC 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #fff;
}

/* %マージンは円（親）の幅基準で解決されるため、円のサイズに追従する */
.travi-about-mark {
  width: 25.74%;
  height: auto;
  margin-top: 12.74%;
}

.travi-about-hash {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: min(40px, 2.78vw);
  font-weight: 600;
  line-height: 1.5;
}

.travi-about-title {
  margin-top: 20px;
  font-size: min(32px, 2.22vw);
  font-weight: 800;
  line-height: 1.4;
}

.travi-about-desc {
  margin-top: 20px;
  font-size: min(16px, 1.11vw);
  font-weight: 600;
  line-height: 1.82;
}

/* ========== VALUES ========== */
.travi-values {
  padding-top: 20px;
}

.travi-values-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 1224px;
  max-width: calc(100% - 40px);
  margin: 0 auto;
}

.travi-value-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 261px;
  padding: 24px 32px;
  border: 5px solid #7176E8;
  border-radius: 17px;
}

.travi-value-icon {
  flex: 0 0 auto;
  height: auto;
}

.travi-value-card:nth-child(1) .travi-value-icon { width: 56px; }
.travi-value-card:nth-child(2) .travi-value-icon { width: 65px; }
.travi-value-card:nth-child(3) .travi-value-icon { width: 57px; }

.travi-value-text {
  max-width: 260px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: #000;
}

/* ========== VISION ========== */
.travi-vision {
  padding: 70px 20px;
  text-align: center;
}

.travi-vision-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.4;
  color: #000;
}

.travi-vision-row {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  width: 765px;
  max-width: 100%;
  margin: 20px auto 0;
  text-align: left;
}

.travi-vision-mark {
  flex: 0 0 157px;
  width: 157px;
  height: auto;
}

.travi-vision-text {
  margin-top: 9px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
  color: #000;
}

/* ========== SERVICE ========== */
.travi-service {
  background: #fff;
  padding: 20px 0 109px;
}

.travi-service-inner {
  width: 995px;
  max-width: calc(100% - 40px);
  margin: 0 auto;
}

.travi-service-hash {
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.5;
  color: #4A4A4A;
}

.travi-service-rows {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 34px;
}

.travi-service-row {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 182px;
  padding: 10px 10px 10px 60px;
  background: #8487EB;
}

.travi-service-shot {
  flex: 0 0 87px;
  width: 87px;
  height: 162px;
  object-fit: fill;
}

.travi-service-main {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.travi-service-num {
  flex: 0 0 126px;
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 70px;
  font-weight: 400;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.498);
}

.travi-service-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.travi-service-desc {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  color: #fff;
}

/* ========== iOS APP CTA ========== */
.travi-cta {
  display: flex;
  align-items: center;
  min-height: 364px;
  background: linear-gradient(90deg, #B041EE 0%, #29BBDC 100%);
}

.travi-cta-inner {
  display: flex;
  align-items: center;
  width: 1440px;
  max-width: 100%;
  margin: 0 auto;
  padding-left: 22.13%;
}

.travi-cta-icon {
  flex: 0 0 343px;
  width: 343px;
  height: auto;
}

.travi-cta-text {
  margin: 21px 0 0 -18px;
  padding-bottom: 23px;
  width: 365px;
}

.travi-cta-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  white-space: nowrap;
}

.travi-cta-badge-link {
  display: inline-block;
  margin-top: 23px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.travi-cta-badge-link:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.travi-cta-badge {
  display: block;
  width: 200px;
  max-width: 100%;
  height: auto;
}

/* ========== CONTACT（お問い合わせ） ========== */
.travi-contact {
  background: linear-gradient(180deg, #4E3487 0%, #3B2A6E 100%);
  padding: 96px 6.5%;
}
.travi-contact-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}
.travi-contact-eyebrow {
  font-family: 'Jost', 'Outfit', sans-serif;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #F6CE86;
  margin-bottom: 14px;
}
.travi-contact-title {
  font-size: clamp(24px, 2.9vw, 40px);
  font-weight: 800;
  line-height: 1.4;
}
.travi-contact-lead {
  margin-top: 18px;
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 500;
  line-height: 1.9;
  color: rgba(255,255,255,0.78);
}
.travi-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  padding: 16px 40px;
  border-radius: 999px;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(92deg, #E048DC 0%, #9D78EA 55%, #29BBDC 100%);
  box-shadow: 0 16px 38px rgba(224,72,220,0.34);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.travi-contact-btn span {
  transition: transform 0.25s ease;
}
.travi-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 46px rgba(224,72,220,0.44);
}
.travi-contact-btn:hover span {
  transform: translateX(4px);
}

/* ========== MESSAGE ========== */
.travi-message {
  position: relative;
  min-height: 806px;
  margin-top: 104px;
  overflow: hidden;
}

.travi-message-bg {
  position: absolute;
  object-fit: cover;
}

.travi-message-bg--left {
  top: 55px;
  left: 0;
  width: 32.43%;
  height: 751px;
}

.travi-message-bg--right {
  top: 0;
  right: 0;
  width: 29.65%;
  height: 579px;
}

.travi-message-card {
  position: relative;
  z-index: 2;
  width: 1077px;
  max-width: calc(100% - 40px);
  margin: 165px auto 0;
  padding: 40px 0 70px;
  background: #252525;
  border-radius: 41px;
}

.travi-message-hash {
  width: fit-content;
  margin: 0 auto;
  text-align: center;
  font-family: 'Dela Gothic One', sans-serif;
  font-size: 50px;
  font-weight: 600;
  line-height: 70px;
  background: linear-gradient(45deg, #AB3BF0 0%, #42B8DD 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.travi-message-sub {
  margin-top: 21px;
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
}

.travi-message-body {
  width: 842px;
  max-width: calc(100% - 60px);
  margin: 23px auto 0;
  padding: 75px 0 77px;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
}

.travi-message-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 2.1;
  color: #fff;
}

/* ========== PRODUCT TABS ========== */
.product-tabs-wrap {
  position: sticky;
  top: 90px;
  z-index: 50;
  padding: 20px 24px 0;
  background: transparent;
  pointer-events: none;
}

.product-tabs {
  pointer-events: auto;
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-radius: 999px;
  border: 1px solid rgba(17, 18, 21, 0.06);
  box-shadow: 0 12px 32px rgba(17, 18, 21, 0.10);
}

.product-tab {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 12px 20px;
  border-radius: 999px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: inherit;
  color: #4b4652;
  transition: color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.product-tab:hover {
  color: #1a1a1a;
}

.product-tab--active {
  background: linear-gradient(120deg, #9D78EA 0%, #6BA4F7 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(107, 82, 215, 0.35);
}

.product-tab--active:hover {
  color: #fff;
}

.product-tab-name {
  font-family: 'Outfit', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.product-tab-desc {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.9;
  line-height: 1.3;
}

.product-panel {
  display: none;
}

.product-panel--active {
  display: block;
}

/* ========== HIDAY SHARED TOKENS ========== */
.hiday-eyebrow {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #9D78EA;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

/* ========== HIDAY HERO ========== */
.hiday-hero {
  position: relative;
  padding: 140px 80px 120px;
  background: #f6f3ef;
  overflow: hidden;
}

.hiday-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 80px;
}

.hiday-hero-text {
  flex: 1;
  max-width: 540px;
}

.hiday-hero-label {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #9D78EA;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hiday-hero-title {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 112px;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 1;
  letter-spacing: 0.1em;
  margin-bottom: 36px;
  background: none;
  -webkit-text-fill-color: initial;
}

.hiday-hero-tagline {
  font-family: 'Noto Serif JP', serif;
  font-size: 34px;
  font-weight: 400;
  color: #1a1a1a;
  margin-bottom: 24px;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.hiday-hero-sub {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #8a8278;
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}

.hiday-hero-downloads {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hiday-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: #fff;
  border: 1px solid #1a1a1a;
  border-radius: 48px;
  color: #1a1a1a;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.3s, color 0.3s, transform 0.3s;
}

.hiday-store-btn:hover {
  background: #1a1a1a;
  color: #fff;
  transform: translateY(-2px);
}

.hiday-store-btn:hover .hiday-store-icon path[fill="#34A853"],
.hiday-store-btn:hover .hiday-store-icon path[fill="#FBBC04"],
.hiday-store-btn:hover .hiday-store-icon path[fill="#EA4335"],
.hiday-store-btn:hover .hiday-store-icon path[fill="#4285F4"] {
  fill: #fff;
}

.hiday-store-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.hiday-release-badge {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: #1a1a1a;
  color: #fff;
  border-radius: 48px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.hiday-hero-visual {
  position: relative;
  flex-shrink: 0;
  width: 520px;
}

.hiday-hero-phone {
  width: 100%;
  height: auto;
}

/* ========== HIDAY ABOUT ========== */
.hiday-about {
  padding: 120px 80px;
  background: #f6f3ef;
}

.hiday-about-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
}

.hiday-about-text {
  flex: 1;
  max-width: 480px;
}

.hiday-about-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: 38px;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
}

.hiday-about-desc {
  font-size: 14px;
  line-height: 2.1;
  color: #5a5a5a;
  margin-bottom: 18px;
  font-weight: 400;
}

.hiday-about-desc:last-child {
  margin-bottom: 0;
}

.hiday-about-visual {
  flex: 1;
  max-width: 520px;
}

.hiday-about-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 2px;
}

/* ========== HIDAY SECTION HEAD (to C / to B) ========== */
.hiday-section-head {
  display: flex;
  align-items: flex-start;
  gap: 60px;
  margin-bottom: 80px;
}

.hiday-section-head-left {
  flex: 0 0 auto;
  max-width: 420px;
}

.hiday-section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 34px;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

.hiday-section-desc {
  flex: 1;
  font-size: 14px;
  line-height: 2.1;
  color: #5a5a5a;
  padding-top: 8px;
  max-width: 520px;
}

/* ========== HIDAY to C ========== */
.hiday-toc {
  padding: 120px 80px;
  background: #fff;
}

.hiday-toc-inner,
.hiday-tob-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.hiday-feature-cards {
  display: flex;
  gap: 0;
}

.hiday-feature-card {
  flex: 1;
  padding: 8px 36px 8px;
  background: transparent;
  border: none;
  border-left: 1px solid #e5e1da;
}

.hiday-feature-card:first-child {
  padding-left: 0;
  border-left: none;
}

.hiday-feature-card:last-child {
  padding-right: 0;
}

.hiday-feature-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px;
  font-weight: 300;
  color: #9D78EA;
  line-height: 1;
  display: block;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.hiday-feature-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.hiday-feature-desc {
  font-size: 13px;
  line-height: 1.9;
  color: #7a7a7a;
  font-weight: 400;
}

/* ========== HIDAY to B ========== */
.hiday-tob {
  padding: 40px 80px 120px;
  background: #fff;
}

/* ========== HIDAY CORE FUNCTIONS ========== */
.hiday-core {
  padding: 80px 80px 140px;
  background: #fff;
}

.hiday-core-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.hiday-core-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: 34px;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 1.55;
  letter-spacing: 0.02em;
  margin-bottom: 72px;
}

.hiday-core-heading-sub {
  display: inline-block;
  font-size: 24px;
  color: #3a3a3a;
}

.hiday-core-cards {
  display: flex;
  gap: 0;
}

.hiday-core-card {
  flex: 1;
  padding: 8px 36px 8px;
  background: transparent;
  border-radius: 0;
  color: inherit;
  border-left: 1px solid #e5e1da;
  transition: none;
  display: flex;
  gap: 22px;
  align-items: flex-start;
}

.hiday-core-card:first-child {
  padding-left: 0;
  border-left: none;
}

.hiday-core-card:last-child {
  padding-right: 0;
}

.hiday-core-card:hover {
  transform: none;
}

.hiday-core-icon {
  width: 44px;
  height: 44px;
  color: #9D78EA;
  margin-bottom: 0;
  flex-shrink: 0;
  background: rgba(157,120,234,0.1);
  border-radius: 50%;
  padding: 10px;
  box-sizing: border-box;
}

.hiday-core-icon svg {
  width: 100%;
  height: 100%;
}

.hiday-core-card > div:last-child,
.hiday-core-body {
  flex: 1;
}

.hiday-core-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.hiday-core-desc {
  font-size: 13px;
  line-height: 1.9;
  color: #7a7a7a;
  font-weight: 400;
}

/* ========== HIDAY RESPONSIVE ========== */
@media (max-width: 900px) {
  .hiday-hero { padding: 100px 40px 80px; }
  .hiday-hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 60px;
  }
  .hiday-hero-text { max-width: 100%; }
  .hiday-hero-downloads { justify-content: center; }
  .hiday-hero-visual { width: 360px; }
  .hiday-hero-title { font-size: 80px; }
  .hiday-hero-tagline { font-size: 26px; }

  .hiday-about { padding: 80px 40px; }
  .hiday-about-inner { flex-direction: column; gap: 40px; }
  .hiday-about-text { max-width: 100%; }
  .hiday-about-visual { max-width: 100%; }
  .hiday-about-visual img { height: 300px; }
  .hiday-about-heading { font-size: 28px; }

  .hiday-toc { padding: 80px 40px; }
  .hiday-tob { padding: 0 40px 80px; }
  .hiday-core { padding: 60px 40px 100px; }

  .hiday-section-head {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 56px;
  }
  .hiday-section-title { font-size: 26px; }
  .hiday-core-heading { font-size: 26px; margin-bottom: 56px; }
  .hiday-core-heading-sub { font-size: 18px; }

  .hiday-feature-cards,
  .hiday-core-cards {
    flex-direction: column;
    gap: 40px;
  }
  .hiday-feature-card,
  .hiday-core-card {
    padding: 0;
    border-left: none;
    border-top: 1px solid #e5e1da;
    padding-top: 32px;
  }
  .hiday-feature-card:first-child,
  .hiday-core-card:first-child {
    padding-left: 0;
    padding-top: 0;
    border-top: none;
  }
  .hiday-feature-card:last-child,
  .hiday-core-card:last-child {
    padding-right: 0;
  }
}

@media (max-width: 600px) {
  .hiday-hero-title { font-size: 64px; }
  .hiday-hero-tagline { font-size: 22px; }
  .hiday-hero-sub { font-size: 13px; }
  .hiday-hero-visual { width: 280px; }

  .hiday-about-heading { font-size: 24px; }
  .hiday-section-title { font-size: 22px; }
  .hiday-core-heading { font-size: 22px; }
  .hiday-core-heading-sub { font-size: 16px; }
  .hiday-feature-num { font-size: 44px; }
}

/* ========== FOOTER ========== */
.footer {
  background: #ffffff;
  padding: 72px 80px 36px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06), transparent);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo-img {
  height: 36px;
  width: auto;
}

.footer-company {
  font-size: 14px;
  color: #1a1a1a;
  margin-bottom: 4px;
  font-weight: 600;
}

.footer-addresses {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-address-block {
  display: flex;
  flex-direction: column;
}

.footer-address-label {
  font-size: 11px;
  font-weight: 700;
  color: #9D78EA;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.footer-address {
  font-size: 13px;
  color: #5a5a5a;
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: 56px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-link {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: 0.06em;
  transition: color 0.3s;
}

.footer-link:hover {
  color: #9D78EA;
}

.footer-copyright {
  text-align: center;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  color: #8a8a8a;
  padding-top: 24px;
  border-top: 1px solid rgba(0,0,0,0.06);
  letter-spacing: 0.05em;
}

/* ========== MOBILE MENU ========== */
.mobile-menu-btn {
  display: none;
  background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px;
  padding: 6px; margin-left: 12px;
}
.mobile-menu-bar {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-nav {
  display: none; flex-direction: column; gap: 0;
  padding: 0 32px 20px;
}
.mobile-nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 14px; font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.06em;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s;
}
.mobile-nav-link:last-child { border-bottom: none; }
.mobile-nav-link:hover { color: #fff; }
.mobile-nav-link--contact { color: #9D78EA; font-weight: 700; }
.header.mobile-open .mobile-nav { display: flex; }
.header.mobile-open .mobile-menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header.mobile-open .mobile-menu-bar:nth-child(2) { opacity: 0; }
.header.mobile-open .mobile-menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .header {
    width: calc(100% - 24px);
    padding: 0 20px;
  }

  .nav { display: none; }
  .btn-contact-header { display: none; }
  .mobile-menu-btn { display: flex; }

  .travi-hero {
    min-height: 0;
    padding: 120px 24px 56px;
  }
  .travi-hero-bg {
    background-size: cover, cover;
    background-position: center, center 70%;
  }
  .travi-hero-inner {
    grid-template-columns: 1fr;
    gap: 8px;
    max-width: 560px;
  }
  .travi-hero-copy {
    order: 1;
    text-align: center;
  }
  .travi-hero-brandrow { justify-content: center; }
  .travi-hero-sub { margin-left: auto; margin-right: auto; }
  .travi-hero-visual {
    order: 2;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 0;
    margin-top: 32px;
  }
  .travi-hero-caption {
    position: static;
    text-align: center;
    max-width: 100%;
    margin-bottom: 8px;
  }
  .travi-hero-caption-eyebrow { justify-content: center; }
  .travi-hero-phone {
    width: 78%;
    max-width: 320px;
  }

  .travi-features { padding: 64px 22px 72px; }
  .travi-features-head { margin-bottom: 40px; }
  .travi-features-grid {
    grid-template-columns: 1fr;
    gap: 44px;
    max-width: 420px;
    margin: 0 auto;
  }
  .travi-features-br { display: none; }
  .travi-feature-desc { margin-top: 18px; }

  .travi-mission { padding: 32px 20px; }
  .travi-mission-text { font-size: 20px; }

  .travi-about {
    height: auto;
    padding: 0 16px 8px;
  }
  .travi-about-inner { height: auto; }
  .travi-about-promo {
    position: static;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }
  .travi-about-circle {
    position: static;
    width: min(100%, 420px);
    margin: -40px auto 0;
    padding: 9% 6% 0;
  }
  .travi-about-hash { font-size: 30px; }
  .travi-about-title { margin-top: 10px; font-size: 20px; }
  .travi-about-desc { margin-top: 10px; font-size: 12px; }

  .travi-values { padding-top: 32px; }
  .travi-values-inner { grid-template-columns: 1fr; gap: 16px; }
  .travi-value-card { min-height: 0; padding: 24px; }
  .travi-value-text { max-width: none; }

  .travi-vision { padding: 48px 20px; }
  .travi-vision-row {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .travi-vision-mark { flex: 0 0 auto; width: 120px; }

  .travi-service { padding: 24px 0 48px; }
  .travi-service-hash { font-size: 30px; line-height: 1.4; }
  .travi-service-row {
    min-height: 0;
    padding: 14px;
    gap: 14px;
  }
  .travi-service-shot { flex: 0 0 76px; width: 76px; height: auto; }
  .travi-service-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .travi-service-num { flex: 0 0 auto; font-size: 38px; line-height: 1.2; }
  .travi-service-title { font-size: 16px; }
  .travi-service-desc { font-size: 13px; }

  .travi-cta {
    min-height: 0;
    padding: 40px 20px;
  }
  .travi-cta-inner {
    flex-direction: column;
    padding-left: 0;
    gap: 8px;
    text-align: center;
  }
  .travi-cta-icon { flex: 0 0 auto; width: 180px; }
  .travi-cta-text {
    width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .travi-cta-title { font-size: 20px; }
  .travi-cta-badge-link { margin-top: 16px; }
  .travi-cta-badge { width: 160px; }

  .travi-message {
    min-height: 0;
    margin-top: 48px;
    padding: 40px 0;
  }
  .travi-message-bg--left { top: 0; width: 45%; height: 70%; }
  .travi-message-bg--right { width: 40%; height: 45%; }
  .travi-message-card {
    margin: 0 16px;
    padding: 28px 0 40px;
    border-radius: 24px;
  }
  .travi-message-hash { font-size: 32px; line-height: 1.3; }
  .travi-message-sub { margin-top: 12px; font-size: 18px; }
  .travi-message-body {
    max-width: calc(100% - 40px);
    margin-top: 18px;
    padding: 32px 0;
  }
  .travi-message-text { font-size: 13px; line-height: 1.9; }

  .product-tabs-wrap { top: 84px; padding: 16px 16px 0; }
  .product-tab { padding: 10px 16px; }
  .product-tab-name { font-size: 15px; }
  .product-tab-desc { font-size: 10px; }

  .footer { padding: 40px; }
  .footer-inner { flex-direction: column; gap: 32px; }
}

@media (max-width: 600px) {
  .header { border-radius: 14px; }

  .travi-hero-brand { font-size: 64px; }

  .travi-mission-text { font-size: 17px; }

  .travi-about-hash { font-size: 26px; }
  .travi-about-title { font-size: 17px; }
  .travi-about-desc { font-size: 10px; }

  .travi-vision-title { font-size: 22px; }
  .travi-vision-text { font-size: 14px; }

  .travi-service-num { font-size: 32px; }
  .travi-service-title { font-size: 15px; }
  .travi-service-desc { font-size: 12px; }

  .travi-cta-title { font-size: 18px; }

  .product-tab-name { font-size: 14px; }
  .product-tab-desc { display: none; }

  .footer-nav { gap: 32px; }
}