/* ============================================================
   サンゴに優しい日焼け止め — light redesign
   Ocean palette preserved from the original site
   (navy #000a3f / #003e9e, ink #031432, turquoise #6fcbd0/#73c8cd)
   ============================================================ */

:root {
  --navy: #000a3f;
  --navy-2: #003e9e;
  --ink: #031432;
  --teal: #2bb6c0;
  --teal-d: #18909a;
  --teal-l: #e7f6f7;
  --text: #33384d;
  --muted: #6b7280;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --maxw: 1100px;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(0, 10, 63, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal-d);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.4;
  margin: 0 0 0.6em;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 70px 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section--teal {
  background: var(--teal-l);
}

.section-title {
  text-align: center;
  font-size: 28px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.section-lead {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 40px;
  max-width: 720px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--teal-d);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn--ghost:hover {
  background: #fff;
  color: var(--ink);
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-2);
  box-shadow: 0 2px 8px rgba(0, 10, 63, 0.15);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo img {
  max-height: 40px;
  width: auto;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  position: relative;
  transition: 0.25s;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
  content: "";
  position: absolute;
}

.nav-toggle-label span::before {
  top: -8px;
}

.nav-toggle-label span::after {
  top: 8px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  padding: 10px 16px;
  color: #eaf0ff;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.03em;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  text-decoration: none;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  text-align: center;
  color: #fff;
  background: var(--navy) center / cover no-repeat;
  background-image: linear-gradient(rgba(0, 10, 63, 0.45), rgba(0, 10, 63, 0.55)),
    url("/wp-content/uploads/revslider/underwater/home_underwater_slider_bg.jpg");
}

.hero__inner {
  padding: 40px 20px;
  max-width: 800px;
}

.hero h1 {
  color: #fff;
  font-size: clamp(30px, 6vw, 56px);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: clamp(15px, 2.4vw, 20px);
  line-height: 1.9;
  margin-bottom: 30px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   Page header (sub pages)
   ============================================================ */
.page-header {
  color: #fff;
  text-align: center;
  padding: 100px 20px;
  background: var(--navy-2) center / cover no-repeat;
  background-image: linear-gradient(rgba(0, 10, 63, 0.5), rgba(0, 62, 158, 0.55)),
    url("/wp-content/uploads/2016/05/home_underwater_subheader1.jpg");
}

.page-header h1 {
  color: #fff;
  font-size: clamp(26px, 5vw, 42px);
  letter-spacing: 0.12em;
  text-transform: capitalize;
  margin-bottom: 6px;
}

.page-header p {
  margin: 0;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  padding: 14px 0;
}

.breadcrumb a {
  color: var(--muted);
}

/* ============================================================
   Home: intro card
   ============================================================ */
.intro {
  text-align: center;
}

.intro .badge {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  padding: 8px 22px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.intro__product {
  max-width: 360px;
  margin: 24px auto;
  border-radius: var(--radius);
}

.intro h2 {
  font-size: clamp(20px, 4vw, 30px);
}

.intro .sub {
  color: var(--muted);
  font-size: 16px;
}

/* ===== Feature cards ===== */
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  justify-content: center;
}

.card {
  flex: 1 1 280px;
  max-width: 340px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 34px rgba(0, 10, 63, 0.12);
}

.card img {
  margin: 0 auto 18px;
}

.card h3 {
  font-size: 19px;
  color: var(--teal-d);
}

.card p {
  text-align: left;
  font-size: 14px;
  color: var(--text);
  margin: 0;
}

/* ===== Product detail (two-column) ===== */
.split {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.split__media,
.split__body {
  flex: 1 1 320px;
}

.split__media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 auto;
}

.spec {
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 28px 30px;
}

.spec h3 {
  margin-top: 0;
}

.spec dl {
  margin: 0;
}

.spec dt {
  font-weight: 700;
  color: var(--ink);
  margin-top: 12px;
}

.spec dd {
  margin: 4px 0 0;
  color: var(--text);
}

/* ============================================================
   CTA band
   ============================================================ */
.cta {
  color: #fff;
  text-align: center;
  padding: 90px 20px;
  background: var(--navy) center / cover no-repeat;
  background-image: linear-gradient(rgba(0, 10, 63, 0.7), rgba(0, 10, 63, 0.78)),
    url("/wp-content/uploads/2016/05/home_underwater_sectionbg2.jpg");
}

.cta h2 {
  color: #fff;
  font-size: clamp(22px, 4vw, 32px);
}

.cta img {
  max-width: 280px;
  margin: 24px auto;
  border-radius: var(--radius);
}

/* ============================================================
   Shop list
   ============================================================ */
.region-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.region-nav a {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  color: var(--teal-d);
  font-size: 14px;
  font-weight: 600;
}

.region-nav a:hover {
  background: var(--teal);
  color: #fff;
  text-decoration: none;
}

.region {
  margin-bottom: 50px;
}

.region__title {
  font-size: 22px;
  color: #fff;
  background: var(--teal);
  display: inline-block;
  padding: 6px 24px;
  border-radius: 999px;
  letter-spacing: 0.08em;
}

.shop-area {
  margin-top: 22px;
}

.shop-area__name {
  font-weight: 700;
  color: var(--ink);
  border-left: 4px solid var(--teal);
  padding-left: 12px;
  margin-bottom: 14px;
  font-size: 17px;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.shop-grid li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: 0 3px 12px rgba(0, 10, 63, 0.05);
}

.shop-grid .name {
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}

.shop-grid .body,
.shop-grid .body p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}

.guide {
  background: var(--teal-l);
  border-radius: var(--radius);
  padding: 18px 22px;
  text-align: center;
  margin-bottom: 30px;
}

/* ============================================================
   News list
   ============================================================ */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
  margin: 0 auto;
}

.news-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  align-items: baseline;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
}

.news-list time {
  color: var(--teal-d);
  font-weight: 600;
  font-size: 14px;
  min-width: 110px;
}

.news-list a {
  color: var(--text);
}

/* ============================================================
   Blog (r-template_blog.php output)
   ============================================================ */
.blog-container {
  max-width: var(--maxw);
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 26px;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 34px rgba(0, 10, 63, 0.12);
}

.blog-title {
  font-size: 18px;
  margin: 0 0 12px;
}

.blog-title a {
  color: var(--ink);
}

.blog-preview p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ============================================================
   Article body (.romlicontainer styles live in r-template_article.php)
   ============================================================ */
.romlicontainer {
  max-width: 820px;
  margin: 0 auto;
}

/* ============================================================
   Contact form
   ============================================================ */
.contact-form {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form .field {
  margin-bottom: 22px;
}

.contact-form label {
  display: block;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.contact-form .req {
  color: #e11335;
  font-size: 12px;
  margin-left: 6px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-soft);
  font: inherit;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
}

.contact-form .row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.contact-form .row > span {
  flex: 1 1 200px;
}

.contact-form .radios label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  margin-right: 18px;
}

.contact-form .submit-box {
  text-align: center;
  margin-top: 30px;
}

.contact-info {
  background: var(--teal-l);
  border-radius: var(--radius);
  padding: 26px 28px;
  max-width: 720px;
  margin: 40px auto 0;
  text-align: center;
}

.contact-info a {
  font-weight: 700;
}

/* ============================================================
   romlifile blocks
   ============================================================ */
.romlidata {
  padding: 15px 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: max(1%, 20px);
  align-items: start;
}

.romlidata img {
  max-width: 170px;
  object-fit: contain;
}

.romlifooter img {
  max-width: 160px;
  object-fit: contain;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: #9fa4bd;
  padding: 56px 0 24px;
}

.site-footer a {
  color: #e5e7ef;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}

.footer-col {
  flex: 1 1 240px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.8;
  word-break: break-word;
}

.footer-bottom {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: #777d99;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 820px) {
  .nav-toggle-label {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-toggle:checked ~ .main-nav {
    max-height: 70vh;
    overflow-y: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px 16px;
    gap: 2px;
  }

  .main-nav a {
    padding: 14px 12px;
  }

  .section {
    padding: 50px 0;
  }
}