@charset "utf-8";

/* ===============================================
   COCO Wellness - Common Styles
   =============================================== */

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

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video, input, textarea, select, button {
  margin: 0; padding: 0; border: 0; font-size: 100%;
  font: inherit; vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section { display: block; }

html { font-size: 62.5%; scroll-behavior: smooth; }
body { line-height: 1; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
ol, ul { list-style: none; }
blockquote, q { quotes: none; }
blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; }
table { border-collapse: collapse; border-spacing: 0; }
img { max-width: 100%; height: auto; vertical-align: bottom; }
a { color: inherit; text-decoration: none; transition: opacity 0.3s ease; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; background: none; outline: none; }

/* -----------------------------------------------
   CSS Variables
   ----------------------------------------------- */
:root {
  --color-primary-deep: #2c4a5e;
  --color-primary: #4a6d80;
  --color-primary-light: #7a97a8;
  --color-accent: #a8c5cf;
  --color-accent-pale: #dae7ec;
  --color-base-warm: #f7f4ee;
  --color-base-light: #fdfcf9;
  --color-white: #ffffff;
  --color-text-main: #3d3a35;
  --color-text-sub: #6b6660;
  --color-text-mute: #9a9590;
  --color-line: #d8d3c9;
  --color-line-light: #ede9df;
  --color-sage: #7a8968;
  --color-line-accent: #b5cbd4;

  --font-serif: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en-serif: 'Cormorant Garamond', 'Cardo', serif;
  --font-en-sans: 'Cormorant', 'Jost', sans-serif;

  --header-height: 88px;
  --header-height-sp: 64px;
  --side-nav-width: 60px;
  --container-max: 1200px;
  --container-narrow: 960px;
  --container-wide: 1400px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* -----------------------------------------------
   Base
   ----------------------------------------------- */
body {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.9;
  color: var(--color-text-main);
  background: var(--color-base-light);
  font-weight: 400;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}
@media (max-width: 768px) {
  body { font-size: 1.5rem; line-height: 1.85; }
}

.serif { font-family: var(--font-serif); }
.en-serif { font-family: var(--font-en-serif); letter-spacing: 0.15em; }
.en-sans { font-family: var(--font-en-sans); letter-spacing: 0.2em; }

/* -----------------------------------------------
   Layout Utilities
   ----------------------------------------------- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 40px; }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 40px; }
@media (max-width: 768px) {
  .container, .container-narrow, .container-wide { padding: 0 24px; }
}
.sp-only { display: none !important; }
@media (max-width: 768px) {
  .pc-only { display: none !important; }
  .sp-only { display: block !important; }
  .sp-only.inline { display: inline !important; }
}

/* -----------------------------------------------
   Section Common
   ----------------------------------------------- */
.section { padding: 120px 0; position: relative; }
@media (max-width: 768px) { .section { padding: 72px 0; } }
.section-head { text-align: center; margin-bottom: 72px; }
@media (max-width: 768px) { .section-head { margin-bottom: 48px; } }

.section-label {
  display: inline-block; font-family: var(--font-en-serif); font-size: 1.3rem;
  color: var(--color-primary); letter-spacing: 0.35em; text-transform: uppercase;
  margin-bottom: 20px; position: relative; padding: 0 24px;
}
.section-label::before, .section-label::after {
  content: ''; position: absolute; top: 50%; width: 24px; height: 1px;
  background: var(--color-primary-light);
}
.section-label::before { left: -24px; } .section-label::after { right: -24px; }

.section-title {
  font-family: var(--font-serif); font-size: 3.2rem; font-weight: 400;
  color: var(--color-primary-deep); letter-spacing: 0.12em; line-height: 1.6;
}
.section-title-sub {
  font-family: var(--font-serif); font-size: 1.5rem; color: var(--color-text-sub);
  font-weight: 300; margin-top: 16px; letter-spacing: 0.08em;
}
@media (max-width: 768px) {
  .section-title { font-size: 2.4rem; }
  .section-title-sub { font-size: 1.35rem; margin-top: 12px; }
  .section-label { font-size: 1.15rem; }
}

/* -----------------------------------------------
   Buttons
   ----------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-width: 240px; padding: 20px 40px; font-family: var(--font-serif);
  font-size: 1.4rem; letter-spacing: 0.18em; color: var(--color-white);
  background: var(--color-primary-deep); border: 1px solid var(--color-primary-deep);
  transition: all 0.4s var(--ease-out); position: relative; overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
  background: var(--color-primary); border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s var(--ease-out), height 0.6s var(--ease-out); z-index: 0;
}
.btn:hover::before { width: 500px; height: 500px; }
.btn span { position: relative; z-index: 1; }
.btn-outline { background: transparent; color: var(--color-primary-deep); }
.btn-outline:hover { color: var(--color-white); }
.btn .arrow {
  position: relative; z-index: 1; width: 20px; height: 1px;
  background: currentColor; display: inline-block;
}
.btn .arrow::after {
  content: ''; position: absolute; right: -1px; top: 0; width: 8px; height: 1px;
  background: currentColor; transform: rotate(35deg); transform-origin: right center;
}
@media (max-width: 768px) {
  .btn { min-width: 200px; padding: 18px 32px; font-size: 1.3rem; }
}

/* -----------------------------------------------
   Header
   ----------------------------------------------- */
.header {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height);
  background: rgba(253, 252, 249, 0.92); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); z-index: 100;
  border-bottom: 1px solid rgba(216, 211, 201, 0.4); transition: all 0.4s var(--ease-out);
}
.header-inner {
  height: 100%; padding: 0 48px; display: flex; align-items: center;
  justify-content: space-between; max-width: var(--container-wide); margin: 0 auto;
}
.header-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
/*.header-logo-mark { width: 44px; height: 44px; position: relative; flex-shrink: 0; }*/
.header-logo-img { height: 48px; width: auto; display: block; }
.header-logo-text { display: flex; flex-direction: column; line-height: 1; }
/*.header-logo-name {
  font-family: var(--font-en-serif); font-size: 2.1rem; color: var(--color-primary-deep);
  letter-spacing: 0.2em; font-weight: 500;
}*/
.header-logo-sub {
  font-family: var(--font-en-serif); font-size: 1.15rem; color: var(--color-primary);
  letter-spacing: 0.35em; margin-top: 6px; font-weight: 400; padding-left: 14px; border-left: 1px solid var(--color-line);
}
.header-nav { display: flex; align-items: center; }
.header-nav-list { display: flex; gap: 44px; }
.header-nav-link {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: 1.3rem; color: var(--color-text-main); letter-spacing: 0.12em;
  position: relative; padding: 6px 0; transition: color 0.3s ease;
}
.header-nav-link-en {
  font-family: var(--font-en-serif); font-size: 1.3rem; letter-spacing: 0.22em;
  color: var(--color-primary-deep); font-weight: 500;
}
.header-nav-link-ja { font-size: 1rem; color: var(--color-text-sub); letter-spacing: 0.15em; }
.header-nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 1px; background: var(--color-primary);
  transition: width 0.4s var(--ease-out);
}
.header-nav-link:hover::after, .header-nav-link.current::after { width: 100%; }

.hamburger { display: none; width: 40px; height: 40px; position: relative; z-index: 110; }
.hamburger span {
  position: absolute; left: 8px; width: 24px; height: 1px;
  background: var(--color-primary-deep); transition: all 0.4s var(--ease-out);
}
.hamburger span:nth-child(1) { top: 15px; }
.hamburger span:nth-child(2) { top: 20px; }
.hamburger span:nth-child(3) { top: 25px; }
.hamburger.active span:nth-child(1) { top: 20px; transform: rotate(45deg); background: var(--color-white); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 20px; transform: rotate(-45deg); background: var(--color-white); }

@media (max-width: 1024px) { .header-nav-list { gap: 28px; } }
@media (max-width: 900px) {
  .header { height: var(--header-height-sp); }
  .header-inner { padding: 0 24px; }
  .header-logo-mark { width: 36px; height: 36px; }
  .header-logo-name { font-size: 1.7rem; }
  .header-logo-sub { font-size: 0.85rem; letter-spacing: 0.3em; }
  .header-nav {
    position: fixed; top: 0; right: -100%; width: 100%; max-width: 380px;
    height: 100vh; background: var(--color-primary-deep); padding: 100px 40px 40px;
    transition: right 0.5s var(--ease-out); overflow-y: auto;
  }
  .header-nav.active { right: 0; }
  .header-nav-list { flex-direction: column; gap: 32px; align-items: flex-start; }
  .header-nav-link { align-items: flex-start; padding: 8px 0; }
  .header-nav-link-en { color: var(--color-white); font-size: 1.8rem; letter-spacing: 0.25em; }
  .header-nav-link-ja { color: var(--color-accent); font-size: 1.1rem; }
  .header-nav-link::after { left: 0; transform: none; background: var(--color-accent); }
  .hamburger { display: block; }
  .header.menu-open { background: transparent; backdrop-filter: none; border-bottom: none; }
}

/* -----------------------------------------------
   Side Fixed Contact (PC) & SP Bottom Bar
   ----------------------------------------------- */
.side-contact { position: fixed; top: 50%; right: 0; transform: translateY(-50%); z-index: 90; display: flex; flex-direction: column; gap: 4px; }
.side-contact-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 60px; padding: 24px 0; writing-mode: vertical-rl; font-family: var(--font-serif);
  font-size: 1.3rem; letter-spacing: 0.3em; color: var(--color-white);
  text-decoration: none; transition: all 0.4s var(--ease-out); position: relative; gap: 12px;
}
.side-contact-item.contact { background: var(--color-primary-deep); }
.side-contact-item.line { background: #06c755; }
.side-contact-item:hover { padding-right: 10px; }
.side-contact-item .icon { writing-mode: horizontal-tb; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.side-contact-item .icon svg { width: 100%; height: 100%; fill: currentColor; }
@media (max-width: 900px) { .side-contact { display: none; } }

.sp-fixed-bar { display: none; position: fixed; bottom: 0; left: 0; width: 100%; z-index: 80; background: var(--color-white); box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08); }
.sp-fixed-bar-list { display: flex; }
.sp-fixed-bar-item {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 0; font-size: 1.3rem; letter-spacing: 0.1em; color: var(--color-white);
  text-decoration: none; font-family: var(--font-serif);
}
.sp-fixed-bar-item.contact { background: var(--color-primary-deep); }
.sp-fixed-bar-item.line { background: #06c755; }
.sp-fixed-bar-item .icon { width: 18px; height: 18px; display: flex; }
.sp-fixed-bar-item .icon svg { width: 100%; height: 100%; fill: currentColor; }
@media (max-width: 900px) {
  .sp-fixed-bar { display: block; }
  body { padding-bottom: 56px; }
}

/* -----------------------------------------------
   Water Divider
   ----------------------------------------------- */
.divider-wave { display: flex; align-items: center; justify-content: center; gap: 24px; margin: 0 auto; width: 100%; max-width: 200px; }
.divider-wave::before, .divider-wave::after { content: ''; flex: 1; height: 1px; background: var(--color-line); }
.divider-wave-mark { width: 32px; height: 8px; position: relative; flex-shrink: 0; }
.divider-wave-mark svg { width: 100%; height: 100%; }

/* -----------------------------------------------
   Page Head (Sub-page hero)
   ----------------------------------------------- */
.page-head {
  height: 420px; position: relative; display: flex; align-items: center;
  justify-content: center; overflow: hidden; margin-top: var(--header-height);
  background: var(--color-primary-deep);
}
.page-head-bg { position: absolute; inset: 0; z-index: 0; }
.page-head-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.page-head-inner { position: relative; z-index: 2; text-align: center; color: var(--color-white); padding: 0 24px; }
.page-head-en {
  font-family: var(--font-en-serif); font-size: 1.4rem; letter-spacing: 0.4em;
  margin-bottom: 24px; color: var(--color-accent); text-transform: uppercase;
  position: relative; display: inline-block; padding: 0 40px;
}
.page-head-en::before, .page-head-en::after { content: ''; position: absolute; top: 50%; width: 30px; height: 1px; background: var(--color-accent); }
.page-head-en::before { left: -10px; } .page-head-en::after { right: -10px; }
.page-head-title { font-family: var(--font-serif); font-size: 4rem; letter-spacing: 0.2em; font-weight: 300; line-height: 1.4; }
.page-head-sub { font-size: 1.4rem; margin-top: 24px; letter-spacing: 0.15em; color: var(--color-accent-pale); font-weight: 300; }
@media (max-width: 900px) {
  .page-head { height: 300px; margin-top: var(--header-height-sp); }
  .page-head-title { font-size: 2.6rem; }
  .page-head-en { font-size: 1.15rem; margin-bottom: 16px; }
  .page-head-sub { font-size: 1.2rem; margin-top: 16px; }
}

/* -----------------------------------------------
   Breadcrumb
   ----------------------------------------------- */
.breadcrumb { padding: 20px 0; background: var(--color-base-warm); border-bottom: 1px solid var(--color-line-light); }
.breadcrumb-list { display: flex; align-items: center; gap: 12px; font-size: 1.2rem; color: var(--color-text-sub); letter-spacing: 0.1em; }
.breadcrumb-list a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-text-mute); font-size: 1rem; }
@media (max-width: 768px) { .breadcrumb-list { font-size: 1.1rem; gap: 8px; } }

/* -----------------------------------------------
   Footer
   ----------------------------------------------- */
.footer { background: var(--color-primary-deep); color: var(--color-white); padding: 80px 0 0; position: relative; }
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 40px; }
.footer-top { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; padding-bottom: 60px; border-bottom: 1px solid rgba(255, 255, 255, 0.15); }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.footerlogo-img { height: 80px; width: auto; display: block; }
.footer-logo-mark { width: 44px; height: 44px; }
.footer-logo-text { display: flex; flex-direction: column; line-height: 1; }
.footer-logo-name { font-family: var(--font-en-serif); font-size: 2rem; letter-spacing: 0.2em; color: var(--color-white); }
.footer-logo-sub { font-family: var(--font-en-serif); font-size: 1rem; letter-spacing: 0.35em; margin-top: 6px; color: var(--color-accent); }
.footer-catch { font-family: var(--font-serif); font-size: 1.5rem; line-height: 1.9; color: var(--color-accent-pale); letter-spacing: 0.1em; margin-bottom: 24px; }
.footer-address { font-size: 1.3rem; line-height: 1.9; color: var(--color-accent-pale); letter-spacing: 0.05em; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.footer-nav-title { font-family: var(--font-en-serif); font-size: 1.3rem; letter-spacing: 0.3em; color: var(--color-accent); margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid rgba(168, 197, 207, 0.3); }
.footer-nav-list { display: flex; flex-direction: column; gap: 16px; }
.footer-nav-list a { font-size: 1.3rem; color: var(--color-accent-pale); letter-spacing: 0.1em; display: flex; align-items: center; gap: 12px; transition: color 0.3s ease; }
.footer-nav-list a::before { content: ''; width: 8px; height: 1px; background: var(--color-accent); transition: width 0.3s ease; }
.footer-nav-list a:hover { color: var(--color-white); }
.footer-nav-list a:hover::before { width: 16px; }
.footer-bottom { padding: 30px 0; text-align: center; font-family: var(--font-en-serif); font-size: 1.1rem; letter-spacing: 0.3em; color: var(--color-accent); }
@media (max-width: 768px) {
  .footer { padding: 60px 0 0; }
  .footer-inner { padding: 0 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 48px; padding-bottom: 40px; }
  .footer-nav { gap: 32px; }
  .footer-catch { font-size: 1.35rem; }
  .footer-bottom { font-size: 1rem; letter-spacing: 0.25em; }
}

/* -----------------------------------------------
   Scroll to Top
   ----------------------------------------------- */
.scroll-top {
  position: fixed; bottom: 40px; right: 80px; width: 48px; height: 48px;
  background: var(--color-white); border: 1px solid var(--color-line); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; z-index: 85;
  opacity: 0; visibility: hidden; transition: all 0.4s var(--ease-out); cursor: pointer;
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top::before {
  content: ''; width: 10px; height: 10px; border-top: 1px solid var(--color-primary);
  border-right: 1px solid var(--color-primary); transform: rotate(-45deg) translateY(2px);
}
.scroll-top:hover { background: var(--color-primary-deep); }
.scroll-top:hover::before { border-color: var(--color-white); }
@media (max-width: 900px) { .scroll-top { right: 20px; bottom: 80px; width: 40px; height: 40px; } }

/* -----------------------------------------------
   Fade-in on scroll
   ----------------------------------------------- */
/* fade-in はJSが動作した時のみアニメーション。JS失敗時は初めから表示 (安全網) */
.js-ready .fade-in { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.js-ready .fade-in.show { opacity: 1; transform: translateY(0); }
.fade-in.delay-1 { transition-delay: 0.15s; }
.fade-in.delay-2 { transition-delay: 0.3s; }
.fade-in.delay-3 { transition-delay: 0.45s; }
.fade-in.delay-4 { transition-delay: 0.6s; }

.bg-water-deco { position: absolute; pointer-events: none; opacity: 0.4; z-index: 0; }
.num-marker { font-family: var(--font-en-serif); font-size: 1.4rem; color: var(--color-primary-light); letter-spacing: 0.2em; display: inline-block; padding-bottom: 4px; border-bottom: 1px solid var(--color-line-accent); margin-bottom: 16px; }

/* -----------------------------------------------
   CTA Section (共通で使う濃色CTA)
   ----------------------------------------------- */
.cta-section { position: relative; padding: 140px 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(44, 74, 94, 0.85) 0%, rgba(74, 109, 128, 0.75) 100%); z-index: 1; }
.cta-inner { position: relative; z-index: 2; text-align: center; color: var(--color-white); }
.cta-en {
  display: inline-block; font-family: var(--font-en-serif); font-size: 1.4rem;
  letter-spacing: 0.4em; color: var(--color-accent); margin-bottom: 24px;
  padding: 0 32px; position: relative;
}
.cta-en::before, .cta-en::after { content: ''; position: absolute; top: 50%; width: 24px; height: 1px; background: var(--color-accent); }
.cta-en::before { left: -8px; } .cta-en::after { right: -8px; }
.cta-title { font-family: var(--font-serif); font-size: 3.6rem; font-weight: 300; letter-spacing: 0.15em; line-height: 1.7; margin-bottom: 28px; }
.cta-desc { font-family: var(--font-serif); font-size: 1.5rem; line-height: 2.1; letter-spacing: 0.1em; color: var(--color-accent-pale); margin-bottom: 48px; }
.cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.cta-buttons .btn { background: var(--color-white); color: var(--color-primary-deep); border-color: var(--color-white); }
.cta-buttons .btn::before { background: var(--color-primary); }
.cta-buttons .btn:hover { color: var(--color-white); }
.cta-buttons .cta-line { background: #06c755; color: var(--color-white); border-color: #06c755; }
.cta-buttons .cta-line::before { background: #05a648; }
@media (max-width: 768px) {
  .cta-section { padding: 80px 0; }
  .cta-title { font-size: 2.4rem; }
  .cta-desc { font-size: 1.35rem; margin-bottom: 32px; }
  .cta-buttons { flex-direction: column; align-items: center; }
}