/**
 * Landing Tanki — page styles
 * Container: 1070px / colors from AI
 */

:root {
  --tanki-blue: #7dccf3;
  --tanki-blue-2: #def1fb;
  --tanki-yellow: #fedb01;
  --tanki-yellow-2: #e8be0c;
  --tanki-yellow-3: #d3a316;
  --tanki-text: #222;
  --tanki-red: #e53935;
  --tanki-container: 1070px;
}

.color-blue-tanki {
  color: var(--tanki-blue);
}
.bg-gradient-tanki {
  background: var(--tanki-yellow);
  background: linear-gradient(
    90deg,
    rgba(254, 219, 1, 1) 0%,
    rgba(232, 190, 12, 1) 50%,
    rgba(211, 163, 22, 1) 100%
  );
}

.dc-container-tanki {
  max-width: var(--tanki-container);
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-tanki,
.page-tanki-body {
  background: #fff;
  color: var(--tanki-text);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  overflow-x: hidden;
}

.page-tanki img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.text-center {
  text-align: center;
}

a {
  color: var(--tanki-blue);
  word-break: break-all;
}

/* ========== HEADER ========== */
.header-tanki {
  position: relative;
}
.header-tanki-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding: 16px 0;
}
.header-tanki-bar-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.logo-tanki-top img {
  display: block;
  width: 92px;
  height: auto;
  mix-blend-mode: screen;
}
.header-tanki-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-header-tanki {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: 999px;
  color: #111;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  white-space: nowrap;
}
.btn-header-tanki:hover {
  color: #111;
  opacity: 0.92;
}
.btn-menu-tanki {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 64px;
  height: 64px;
  border: none;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}
.btn-menu-tanki-dots {
  display: flex;
  gap: 4px;
}
.btn-menu-tanki-dots span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tanki-yellow);
}
.btn-menu-tanki-label {
  color: var(--tanki-yellow);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
}

/* ========== NAV ========== */
.nav-tanki {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: 0.25s;
}
.page-tanki-body.is-nav-open .nav-tanki {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav-tanki-inner {
  position: absolute;
  top: 0;
  right: 0;
  width: min(360px, 86vw);
  height: 100%;
  background: #fff;
  padding: 70px 36px 40px;
  box-sizing: border-box;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  overflow-y: auto;
}
.page-tanki-body.is-nav-open .nav-tanki-inner {
  transform: translateX(0);
}
.nav-tanki-close {
  position: absolute;
  top: 16px;
  right: 18px;
  border: none;
  background: transparent;
  font-size: 36px;
  line-height: 1;
  color: var(--tanki-yellow);
  cursor: pointer;
}
.nav-tanki-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-tanki-list li + li {
  margin-top: 4px;
}
.nav-tanki-list a {
  display: block;
  padding: 14px 4px;
  color: var(--tanki-yellow);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(254, 219, 1, 0.35);
}
.nav-tanki-list a:hover {
  padding-left: 8px;
}

/* ========== HERO ========== */
.hero-tanki {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  background: #f4b85a;
}
.hero-tanki-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-banner1 {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
}
.hero-cloud {
  position: absolute;
  top: -2%;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 110%);
  z-index: 1;
  pointer-events: none;
}
.hero-wave {
  position: absolute;
  left: 50%;
  bottom: -1px;
  transform: translateX(-50%);
  width: 120%;
  max-width: none;
  z-index: 2;
  pointer-events: none;
}
.hero-tanki-content {
  position: relative;
  z-index: 3;
  padding-top: 100px;
  padding-bottom: 90px;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
}
.hero-tanki-row {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 340px) 1fr;
  align-items: flex-end;
  gap: 12px;
  width: 100%;
}
.hero-text {
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
  padding-bottom: 80px;
}
.hero-text-left {
  text-align: right;
}
.hero-text-right {
  text-align: left;
}
.hero-title {
  margin: 0 0 14px;
  font-size: 46px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.hero-desc {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
}
.hero-character {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.hero-character img {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.25));
}

/* ========== FLOAT QC ========== */
.float-qc-tanki {
  position: fixed;
  right: 36px;
  bottom: 36px;
  z-index: 90;
  width: min(180px, 42vw);
  transition: opacity 0.25s, transform 0.25s;
}
.float-qc-tanki.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
}
.float-qc-link {
  display: block;
  line-height: 0;
}
.float-qc-link img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.22));
}
.float-qc-close {
  position: absolute;
  top: -8px;
  right: -8px;
  z-index: 2;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: #7ac943;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* ========== SECTIONS ========== */
.sec-tanki {
  padding: 70px 0;
}
.sec-tanki-intro {
  padding-top: 80px;
  padding-bottom: 40px;
}
.tanki-intro-title {
  margin: 0 0 28px;
  font-size: 36px;
  font-weight: 900;
  line-height: 1.45;
  text-align: center;
}
.tanki-intro-text {
  margin: 0 auto;
  max-width: 860px;
  font-size: 16px;
  font-weight: 500;
  line-height: 2;
  color: #333;
  text-align: center;
}

/* Zig-zag items */
.tanki-item {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 72px;
}
.tanki-item:last-child {
  margin-bottom: 0;
}
.tanki-item--rev {
  flex-direction: row-reverse;
}
.tanki-item-body {
  flex: 1 1 0;
  min-width: 0;
}
.tanki-item-visual {
  flex: 0 0 360px;
  width: 360px;
  max-width: 42%;
}
.tanki-item-visual img,
.tanki-instructor-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 50%;
  mix-blend-mode: multiply;
}
.tanki-item-title {
  margin: 0 0 20px;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.45;
}
.tanki-item-text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.9;
  color: #333;
}
.tanki-item-text p {
  margin: 0 0 12px;
}
.tanki-note {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #666;
}
.tanki-bullet {
  margin: 0;
  padding: 0;
  list-style: none;
}
.tanki-bullet li {
  position: relative;
  padding-left: 1.2em;
  margin-bottom: 10px;
}
.tanki-bullet li::before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
}

/* Include / price */
.tanki-include-list {
  margin: 18px 0 0;
  padding: 0 0 0 1.3em;
}
.tanki-include-list > li {
  margin-bottom: 12px;
  font-weight: 700;
}
.tanki-feeby {
  margin: 12px 0 8px;
  max-width: 280px;
}
.tanki-feeby img {
  display: block;
  width: 100%;
  mix-blend-mode: multiply;
}
.tanki-feeby figcaption {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 500;
}
.tanki-price-box {
  margin-top: 24px;
  padding-top: 8px;
}
.tanki-price-sub {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
}
.tanki-price-sub span {
  font-size: 12px;
  font-weight: 700;
}
.tanki-price-total {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  color: var(--tanki-red);
  line-height: 1.2;
}
.tanki-price-total em {
  font-style: normal;
  font-size: 42px;
  letter-spacing: 0.02em;
}
.tanki-price-total span {
  font-size: 14px;
  margin-left: 4px;
}

/* Schedule */
.tanki-schedule-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.tanki-schedule-list li {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(125, 204, 243, 0.55);
  line-height: 1.7;
}
.sch-date {
  display: block;
  color: var(--tanki-red);
  font-weight: 800;
}
.sch-area {
  display: inline-block;
  margin: 4px 8px 4px 0;
  padding: 2px 10px;
  border-radius: 4px;
  background: var(--tanki-red);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.sch-place {
  display: inline;
  font-size: 14px;
  font-weight: 600;
  color: #444;
}
.tanki-entry-cta {
  margin: 28px 0 0;
}

.btn-tanki {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  padding: 16px 28px;
  border-radius: 999px;
  color: #111;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  transition: 0.2s;
}
.btn-tanki:hover {
  transform: translateY(-2px);
  opacity: 0.92;
  color: #111;
}
.btn-tanki-lg {
  min-width: 320px;
  padding: 20px 36px;
  font-size: 18px;
}

/* Venues */
.tanki-venues {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-top: 56px;
}
.tanki-venue-label {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 900;
}
.tanki-venue-name,
.tanki-venue-addr {
  margin: 0 0 8px;
  padding: 10px 14px;
  border: 2px solid var(--tanki-red);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}
.tanki-venue-photo {
  margin: 14px 0;
}
.tanki-venue-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.tanki-venue-map {
  overflow: hidden;
  border-radius: 8px;
  background: #eef6fb;
}
.tanki-venue-map iframe {
  display: block;
  width: 100%;
}

/* Steps */
.tanki-steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.tanki-steps li {
  margin-bottom: 12px;
  padding-left: 0;
  line-height: 1.8;
}
.tanki-steps strong {
  color: var(--tanki-blue);
}

/* Compare table */
.tanki-compare-wrap {
  overflow-x: auto;
  margin-top: 8px;
}
.tanki-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.5;
}
.tanki-compare-table th,
.tanki-compare-table td {
  border: 1px solid #d7d7d7;
  padding: 12px 10px;
  vertical-align: middle;
  text-align: left;
}
.tanki-compare-table thead th {
  background: #f5f5f5;
  font-weight: 800;
  text-align: center;
}
.tanki-compare-table tbody th {
  background: #fafafa;
  font-weight: 800;
  white-space: nowrap;
  width: 18%;
}
.tanki-compare-table .is-highlight {
  background: #fff3d6;
  color: var(--tanki-red);
  font-weight: 800;
}
.tanki-compare-table thead .is-highlight {
  background: #ffe7a8;
  color: var(--tanki-red);
}

/* Instructors */
.tanki-instructor-layout {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}
.tanki-instructor-main {
  flex: 1 1 0;
  min-width: 0;
}
.tanki-instructor-visual {
  flex: 0 0 320px;
  width: 320px;
  max-width: 38%;
  margin-top: 40px;
}
.tanki-instructor-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}
.tanki-instructor-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.tanki-instructor-photo {
  flex: 0 0 110px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  background: #eee;
}
.tanki-instructor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tanki-instructor-name {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 900;
}
.tanki-instructor-name span {
  margin-left: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #888;
}
.tanki-instructor-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #444;
}

/* FAQ */
.sec-tanki-faq-head {
  position: relative;
  text-align: center;
  margin-bottom: 36px;
}
.img-faq-deco {
  display: block;
  width: min(420px, 90%);
  margin: 0 auto 8px;
  opacity: 0.9;
}
.tanki-faq-title {
  margin: 0;
  font-size: 34px;
  font-weight: 900;
}
.tanki-faq-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}
.tanki-faq-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--tanki-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  line-height: 1.4;
}
.tanki-faq-nav a:hover {
  opacity: 0.9;
}
.tanki-faq-group {
  margin-bottom: 36px;
}
.tanki-faq-cat {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 900;
}
.tanki-faq-item {
  margin-bottom: 12px;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.tanki-faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
}
.tanki-faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-num {
  flex: 0 0 auto;
  min-width: 52px;
  padding: 6px 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
}
.faq-q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}
.faq-toggle {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tanki-blue);
  position: relative;
}
.faq-toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: translate(-50%, -65%) rotate(45deg);
  transition: 0.2s;
}
.tanki-faq-item[open] .faq-toggle::before {
  transform: translate(-50%, -25%) rotate(-135deg);
}
.faq-a {
  display: flex;
  gap: 12px;
  padding: 16px 18px 18px;
  background: var(--tanki-blue);
  color: #fff;
}
.faq-a-label {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  color: var(--tanki-blue);
  font-size: 16px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.faq-a p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.8;
}
.tanki-faq-entry {
  margin-top: 48px;
}

/* ========== FOOTER ========== */
.ft-tanki {
  background: #111;
  color: #fff;
  padding: 56px 0 28px;
}
.wrap-ft-tanki {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 0.8fr;
  gap: 30px;
  align-items: start;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.ft-logo-dc img {
  display: block;
  width: 200px;
  margin-bottom: 16px;
}
.ft-logo-tanki {
  display: block;
  width: 180px;
}
.ft-address {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
}
.ft-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-bottom: 12px;
}
.ft-contact a {
  color: var(--tanki-yellow);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}
.ft-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}
.ft-tanki-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.ft-tanki-links a {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.ft-tanki-links a:hover {
  color: var(--tanki-yellow);
}
.copyright-tanki {
  padding-top: 20px;
  text-align: center;
}
.copyright-tanki p {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}

.sec-pass-page {
  padding: 120px 0;
  min-height: 50vh;
}

/* ================= responsive ================= */
@media screen and (max-width: 1080px) {
  .hero-title {
    font-size: 36px;
  }
  .tanki-item-title {
    font-size: 24px;
  }
  .tanki-item-visual {
    flex-basis: 300px;
    width: 300px;
  }
}
/*end 1080px*/

@media screen and (max-width: 991px) {
  .hero-tanki,
  .hero-tanki-content {
    min-height: 520px;
  }
  .hero-tanki-row {
    grid-template-columns: 1fr minmax(180px, 260px) 1fr;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-desc {
    font-size: 13px;
  }
  .hero-text {
    padding-bottom: 48px;
  }
  .tanki-item,
  .tanki-item--rev,
  .tanki-instructor-layout,
  .tanki-venues,
  .wrap-ft-tanki {
    flex-direction: column;
    display: flex;
    grid-template-columns: 1fr;
  }
  .tanki-item--rev {
    flex-direction: column;
  }
  .tanki-item-visual,
  .tanki-instructor-visual {
    flex: none;
    width: min(280px, 70%);
    max-width: none;
    margin: 0 auto;
  }
  .tanki-faq-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}
/*end 991px*/

@media screen and (max-width: 767px) {
  .header-tanki-bar {
    padding: 10px 0;
  }
  .logo-tanki-top img {
    width: 64px;
  }
  .btn-header-tanki {
    min-height: 34px;
    padding: 6px 12px;
    font-size: 12px;
  }
  .btn-menu-tanki {
    width: 52px;
    height: 52px;
  }
  .hero-tanki-content {
    padding-top: 80px;
    padding-bottom: 60px;
    min-height: auto;
  }
  .hero-tanki-row {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 8px;
  }
  .hero-text,
  .hero-text-left,
  .hero-text-right {
    text-align: center;
    padding-bottom: 0;
  }
  .hero-character {
    order: -1;
  }
  .hero-character img {
    max-width: 220px;
  }
  .hero-title {
    font-size: 26px;
  }
  .float-qc-tanki {
    right: 16px;
    bottom: 16px;
    width: min(140px, 38vw);
  }
  .sec-tanki {
    padding: 48px 0;
  }
  .tanki-intro-title {
    font-size: 26px;
  }
  .tanki-item {
    gap: 24px;
    margin-bottom: 48px;
  }
  .tanki-item-title {
    font-size: 22px;
    text-align: center;
  }
  .tanki-price-total em {
    font-size: 32px;
  }
  .tanki-faq-nav {
    grid-template-columns: 1fr;
  }
  .tanki-instructor-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .btn-tanki-lg {
    min-width: 0;
    width: 100%;
  }
  .wrap-ft-tanki {
    text-align: center;
  }
  .ft-tanki-links,
  .ft-contact {
    align-items: center;
    justify-content: center;
  }
  .ft-logo-dc img,
  .ft-logo-tanki {
    margin-left: auto;
    margin-right: auto;
  }
}
/*end 767px*/

@media screen and (max-width: 475px) {
  .header-tanki-actions {
    gap: 6px;
  }
  .btn-header-tanki {
    padding: 6px 10px;
    font-size: 11px;
  }
  .hero-title {
    font-size: 22px;
  }
  .hero-desc {
    font-size: 12px;
  }
  .faq-q {
    font-size: 13px;
  }
}
/*end 475px*/