/* =========================
   サードフィールドさど
   軽量プロトタイプ CSS
========================= */

:root {
  --blue: #006b9a;
  --deep-blue: #004e78;
  --sky-blue: #e8f6fb;
  --orange: #f28c28;
  --orange-dark: #d96f00;
  --white: #ffffff;
  --text: #1f2d35;
  --muted: #65737a;
  --border: #d9e5ea;
  --soft-bg: #f5fafc;
  --shadow: 0 10px 25px rgba(0, 62, 90, 0.12);
  --radius: 18px;
  --max-width: 1120px;
}

/* 基本設定 */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    "Yu Gothic",
    "YuGothic",
    "Hiragino Kaku Gothic ProN",
    "Meiryo",
    sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
}

img {
  max-width: 100%;
  height: auto;
}

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

p {
  margin: 0 0 1em;
}

h1,
h2,
h3 {
  margin: 0 0 0.6em;
  line-height: 1.4;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
}

h3 {
  font-size: 1.25rem;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  font-weight: 800;
  color: var(--deep-blue);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--text);
}

.site-nav a:hover {
  color: var(--blue);
}

.nav-button {
  padding: 8px 14px;
  color: var(--white) !important;
  background: var(--orange);
  border-radius: 999px;
  font-weight: 700;
}

/* メインビジュアル */
.hero {
  min-height: 58vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(
      rgba(0, 68, 100, 0.55),
      rgba(0, 68, 100, 0.45)
    ),
    linear-gradient(135deg, #0077a8, #79c7df);
  color: var(--white);
}

.hero-overlay {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 90px 20px;
}

.hero-label,
.section-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--orange);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-text {
  max-width: 720px;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ボタン */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.button:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.button.primary {
  color: var(--white);
  background: var(--orange);
}

.button.secondary {
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

/* 共通セクション */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 20px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--muted);
}

.soft-bg {
  max-width: none;
  background: var(--soft-bg);
}

.soft-bg > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* 体験カテゴリ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

@media (min-width: 841px) {
#contact-flow .category-grid {
grid-template-columns: repeat(2, 1fr);
}
}

.category-card {
  display: block;
  min-height: 230px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.category-card:hover {
  border-color: var(--blue);
}

.category-tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 10px;
  color: var(--blue);
  background: var(--sky-blue);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
}

.category-card p {
  color: var(--muted);
}

/* 2カラム */
.two-column {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 12px;
}

.check-list p {
  margin: 0;
  padding: 14px 16px;
  background: var(--white);
  border-left: 5px solid var(--orange);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.section-action {
  margin-top: 28px;
}

/* おすすめ体験 */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.experience-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.image-placeholder {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), #8fd0df);
  font-weight: 800;
}

.experience-body {
  padding: 22px;
}

.experience-body p {
  color: var(--muted);
}

.experience-body a,
.text-link {
  color: var(--blue);
  font-weight: 800;
}

/* メッセージ */
.message-section {
  max-width: none;
  background: linear-gradient(135deg, var(--deep-blue), var(--blue));
  color: var(--white);
}

.message-box {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 20px;
}

.message-box p {
  max-width: 780px;
}

.message-box .text-link {
  color: var(--white);
  border-bottom: 2px solid var(--orange);
}

/* CTA */
.cta-section {
  text-align: center;
}

.cta-section .section-heading {
  margin-left: auto;
  margin-right: auto;
}

.cta-section .hero-actions {
  justify-content: center;
}

.cta-section .button.secondary {
  color: var(--blue);
  border-color: var(--blue);
}

/* フッター */
.site-footer {
  padding: 34px 20px;
  color: var(--white);
  background: var(--deep-blue);
  text-align: center;
}

.site-footer p {
  margin: 0.3em 0;
}

/* スマホ対応 */
@media (max-width: 840px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 14px;
    white-space: nowrap;
  }

  .hero {
    min-height: 56vh;
  }

  .hero-overlay {
    padding: 72px 20px;
  }

  .category-grid,
  .experience-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 20px;
  }
}

@media (max-width: 520px) {
  body {
    line-height: 1.75;
  }

  .site-logo {
    font-size: 1rem;
  }

  .site-nav {
    font-size: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .category-card {
    min-height: auto;
  }
}

/* =========================
   お問い合わせフォーム
========================= */

.contact-form {
  max-width: 760px;
  margin: 0 auto;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--deep-blue);
  font-weight: 800;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid rgba(0, 107, 154, 0.22);
  border-color: var(--blue);
}

.form-group textarea {
  resize: vertical;
}

.form-note {
  margin: 6px 0 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* スマホ時のフォーム調整 */
@media (max-width: 520px) {
  .contact-form {
    padding: 24px 18px;
  }
}

/* =========================
   ヒーローエリア最終調整
   青いメイン部分を少しコンパクトにする
========================= */

.hero {
  min-height: 46vh;
}

.hero-overlay {
  padding: 56px 20px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  max-width: 980px;
}

.hero-text {
  max-width: 680px;
}

/* タブレット・スマホ調整 */
@media (max-width: 840px) {
  .hero {
    min-height: auto;
  }

  .hero-overlay {
    padding: 52px 20px;
  }

  .hero h1 {
    font-size: clamp(2rem, 7vw, 3rem);
  }
}

@media (max-width: 520px) {
  .hero-overlay {
    padding: 44px 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

.site-nav a[aria-current="page"] {
  color: var(--blue);
  font-weight: 800;
}

.hero {
  position: relative;
  isolation: isolate;
  background-color: var(--deep-blue);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(0, 35, 54, 0.82) 0%, rgba(0, 49, 72, 0.62) 48%, rgba(0, 49, 72, 0.20) 100%);
}

.hero-home { background-image: url("../images/site/hero-home.webp"); background-position: center 48%; }
.hero-activities { background-image: url("../images/site/hero-activities.webp"); background-position: center 46%; }
.hero-sea { background-image: url("../images/site/hero-sea.webp"); background-position: center 55%; }
.hero-first-time { background-image: url("../images/site/hero-first-time.webp"); background-position: center 48%; }
.hero-about { background-image: url("../images/site/hero-about.webp"); background-position: center 52%; }
.hero-reports { background-image: url("../images/site/hero-reports.webp"); background-position: center 45%; }
.hero-contact { background-image: url("../images/site/hero-contact.webp"); background-position: center 50%; }

.hero-overlay {
  text-shadow: 0 2px 18px rgba(0, 18, 30, 0.38);
}

.hero-text {
  font-weight: 600;
}

.card-image {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--sky-blue);
}

.image-placeholder.is-pending {
  height: 210px;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(0, 107, 154, 0.90), rgba(0, 78, 120, 0.95)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 10px, transparent 10px 20px);
  text-align: center;
}

.image-placeholder.is-pending span {
  max-width: 80%;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 999px;
  font-size: 0.86rem;
}

.section-visual {
  margin: -8px 0 34px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section-visual .card-image {
  height: clamp(240px, 42vw, 430px);
}

.guide-visual {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.guide-visual .card-image {
  height: 100%;
  min-height: 300px;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

@media (max-width: 840px) {
  .header-inner {
    gap: 8px;
    padding-top: 10px;
    padding-bottom: 8px;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(0, 35, 54, 0.72) 0%, rgba(0, 49, 72, 0.62) 100%);
  }

  .hero-overlay {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .card-image,
  .image-placeholder.is-pending {
    height: 220px;
  }

  .guide-visual .card-image {
    min-height: 240px;
  }
}

@media (max-width: 520px) {
  .site-header {
    position: static;
  }

  .site-nav {
    scrollbar-width: thin;
  }

  .hero-overlay {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .hero-home { background-position: 60% center; }
  .hero-sea { background-position: 58% center; }
  .hero-reports { background-position: 48% center; }

  .card-image,
  .image-placeholder.is-pending {
    height: 210px;
  }
}

/* =========================
   スマホ用メニュー調整
   2026-07-22
========================= */

.mobile-menu,
.mobile-only {
  display: none;
}

@media (max-width: 840px) {
  .header-inner {
    position: relative;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
  }

  .site-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
    margin-left: auto;
  }

  .mobile-menu summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 42px;
    padding: 8px 14px;
    color: var(--deep-blue);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu-icon {
    font-size: 1.15rem;
    line-height: 1;
  }

  .mobile-menu-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    z-index: 120;
    display: grid;
    width: min(290px, calc(100vw - 32px));
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 16px 36px rgba(0, 40, 60, 0.22);
  }

  .mobile-menu-panel a {
    display: block;
    padding: 11px 13px;
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 700;
  }

  .mobile-menu-panel a:hover,
  .mobile-menu-panel a[aria-current="page"] {
    color: var(--blue);
    background: var(--sky-blue);
  }

  .mobile-menu-panel .nav-button {
    margin-top: 5px;
    color: var(--white) !important;
    background: var(--orange);
    text-align: center;
  }
  .mobile-menu-panel .nav-button[aria-current="page"] {
    color: var(--white) !important;
    background: var(--orange);
  }
}

@media (max-width: 520px) {
  .site-header {
    position: sticky;
  }

  .site-logo {
    max-width: calc(100vw - 150px);
    overflow: hidden;
    font-size: 0.98rem;
    text-overflow: ellipsis;
  }

  .mobile-only {
    display: inline;
  }

  .hero h1 {
    font-size: 1.9rem;
    line-height: 1.45;
  }

  .hero-text {
    font-size: 1rem;
  }

  .hero-overlay {
    padding-top: 46px;
    padding-bottom: 46px;
  }
}

/* ========================================
   アンカー移動時に固定ヘッダーへ隠れないようにする
======================================== */

html {
  scroll-padding-top: 110px;
}

@media (max-width: 520px) {
  html {
    scroll-padding-top: 100px;
  }
}

.hero-water-activity {
  background:
    radial-gradient(
      circle at 78% 35%,
      rgba(99, 190, 220, 0.28) 0%,
      rgba(99, 190, 220, 0) 38%
    ),
    linear-gradient(
      135deg,
      #073b5c 0%,
      #075b78 48%,
      #0b7892 100%
    );
}

/* SUP：時間帯カードをPCでは2列×2段にする */
.activity-time-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* スマホでは1列に戻す */
@media (max-width: 760px) {
  .activity-time-grid {
    grid-template-columns: 1fr;
  }
}

/* スマホ：固定ヘッダーを完全な白背景にする */
@media (max-width: 760px) {
  .site-header {
    background: #ffffff;
  }
}

/* Reservation privacy / security */

.form-hp {
  position: absolute !important;
  left: 0px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip-path: inset(50%) !important;
}

.privacy-warning {
  margin-top: 1rem;
  line-height: 1.7;
}

.privacy-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
}

.privacy-consent input[type="checkbox"] {
  width: auto;
  min-width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.25rem;
  flex: 0 0 auto;
}

.privacy-consent label {
  line-height: 1.7;
}

.privacy-page {
  padding: 2rem 0 4rem;
}

.privacy-page h1 {
  margin-bottom: 1rem;
}

.privacy-page h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.privacy-page p,
.privacy-page li {
  line-height: 1.8;
}

.privacy-page ul {
  padding-left: 1.4rem;
}

.privacy-page .privacy-note {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid currentColor;
  border-radius: 0.5rem;
}

/* P030 conversion cards */
.top-products {
  background: linear-gradient(180deg, #f7fbfd 0%, #ffffff 100%);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.product-card .card-image {
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.product-badge {
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 5px 10px;
  color: var(--blue);
  background: var(--sky-blue);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.product-price {
  margin: 8px 0 16px;
  color: var(--deep-blue);
  font-size: 1.18rem;
  font-weight: 800;
}

.product-facts {
  display: grid;
  gap: 0;
  margin: 0 0 14px;
  border-top: 1px solid var(--border);
}

.product-facts div {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}

.product-facts dt {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.product-facts dd {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.product-note {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.product-actions .button {
  padding: 10px 16px;
}

.product-actions .button.secondary {
  color: var(--blue);
  border-color: var(--blue);
}

@media (max-width: 840px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .product-body {
    padding: 20px 18px;
  }

  .product-facts div {
    grid-template-columns: 5.5em 1fr;
  }

  .product-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .product-actions .button,
  .product-actions .text-link {
    width: 100%;
    text-align: center;
  }
}