/*
Theme Name: kotobasabo
Theme URI: https://kotobasabo.site/
Author: Yubuko
Description: ことば茶房「大人の雑談室」用テーマ
Version: 1.0
Text Domain: kotobasabo
*/

:root{
  /* =========================
     Color
  ========================= */
  --kb-navy: #1E3259;
  --kb-navy-2: #1D3759;
  --kb-green: #A7B08A;
  --kb-slate: #5A6473;
  --kb-muted: #979DA6;
  --kb-ivory: #F2E7DC;
  --kb-brown: #4B3B30;

  --kb-bg: #FBF7F2;
  --kb-card: #FFFDFC;
  --kb-line: rgba(30, 50, 89, 0.14);
  --kb-line-strong: rgba(30, 50, 89, 0.24);
  --kb-soft: rgba(151, 157, 166, 0.14);

  /* =========================
     Shadow / Radius
  ========================= */
  --kb-shadow: 0 14px 34px rgba(30, 50, 89, 0.08);
  --kb-shadow-soft: 0 8px 20px rgba(30, 50, 89, 0.05);
  --kb-radius: 24px;
  --kb-radius-sm: 14px;
  --kb-radius-lg: 32px;

  /* =========================
     Layout
  ========================= */
  --kb-container: 1120px;
  --kb-container-narrow: 820px;
  --kb-section-pad: 88px;
  --kb-section-pad-sp: 56px;
  --kb-header-h: 88px;

  /* =========================
     Typography
  ========================= */
  --kb-font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;

  --kb-font-serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN",
    "Noto Serif JP", serif;

  --kb-text: #4B3B30;
  --kb-text-sub: #5A6473;
  --kb-text-light: #7C8796;

  --kb-fz-sm: 14px;
  --kb-fz-base: 16px;
  --kb-fz-lg: 18px;
  --kb-fz-xl: 22px;
  --kb-fz-hero: clamp(34px, 5vw, 56px);

  --kb-lh-base: 1.9;
  --kb-lh-tight: 1.45;

  /* =========================
     Button / UI
  ========================= */
  --kb-btn-h: 54px;
  --kb-btn-px: 28px;
  --kb-transition: .28s ease;

  /* =========================
     Anchor offset
  ========================= */
  --kb-anchor-offset: 110px;
}

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

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--kb-bg);
  color: var(--kb-text);
  font-family: var(--kb-font-sans);
  font-size: var(--kb-fz-base);
  line-height: var(--kb-lh-base);
  letter-spacing: .04em;
}

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

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

p{
  margin: 0;
}

p + p{
  margin-top: 1em;
}

section[id]{
  scroll-margin-top: var(--kb-anchor-offset);
}

/* =========================
   Layout
========================= */
.kb-container{
  width: min(100% - 32px, var(--kb-container));
  margin-inline: auto;
}

.kb-container--narrow{
  width: min(100% - 32px, var(--kb-container-narrow));
  margin-inline: auto;
}

.kb-section{
  padding: var(--kb-section-pad) 0;
}

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

/* =========================
   Typography
========================= */
.kb-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .5em;
  color: var(--kb-green);
  font-size: var(--kb-fz-sm);
  font-weight: 700;
  letter-spacing: .12em;
}

.kb-heading{
  margin: 0;
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  font-weight: 600;
  line-height: var(--kb-lh-tight);
  letter-spacing: .08em;
}

.kb-heading--hero{
  font-size: var(--kb-fz-hero);
}

.kb-heading--section{
  font-size: clamp(28px, 3.5vw, 42px);
}

.kb-lead{
  color: var(--kb-brown);
  font-size: var(--kb-fz-lg);
  line-height: 2;
}

.kb-note{
  color: var(--kb-text-sub);
  font-size: var(--kb-fz-sm);
}

/* =========================
   Button
========================= */
.kb-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--kb-btn-h);
  padding: 0 var(--kb-btn-px);
  border-radius: 999px;
  background: var(--kb-navy);
  color: #fff;
  font-weight: 700;
  letter-spacing: .08em;
  box-shadow: var(--kb-shadow-soft);
  transition:
    transform var(--kb-transition),
    box-shadow var(--kb-transition),
    background var(--kb-transition);
}

.kb-btn:hover{
  transform: translateY(-2px);
  background: var(--kb-navy-2, #1D3759);
  box-shadow: var(--kb-shadow);
}

.kb-btn--ghost{
  background: transparent;
  color: var(--kb-navy);
  border: 1px solid var(--kb-line-strong);
}

.kb-btn--ghost:hover{
  background: rgba(167, 176, 138, .16);
  color: var(--kb-navy);
}

/* =========================
   Card
========================= */
.kb-card{
  background: var(--kb-card);
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius);
  box-shadow: var(--kb-shadow-soft);
}

/* =========================
   Responsive
========================= */
@media (max-width: 768px){
  :root{
    --kb-header-h: 72px;
  }

  body{
    font-size: 15px;
  }

  .kb-section{
    padding: var(--kb-section-pad-sp) 0;
  }

  .kb-container,
  .kb-container--narrow{
    width: min(100% - 24px, var(--kb-container));
  }

  .kb-lead{
    font-size: 16px;
  }
}

/* =========================
   Header
========================= */
.kb-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 247, 242, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--kb-line);
}

.kb-header__inner{
  min-height: var(--kb-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.kb-header__brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--kb-navy);
  font-weight: 700;
}

.kb-header__logo{
  width: 46px;
  border-radius: 12px;
}

.kb-header__name{
  letter-spacing: .12em;
}

.kb-header__nav{
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--kb-slate);
  font-size: 14px;
  font-weight: 700;
}

.kb-header__nav a{
  transition: color var(--kb-transition);
}

.kb-header__nav a:hover{
  color: var(--kb-navy);
}

.kb-header__btn{
  min-height: 44px;
  padding-inline: 20px;
  font-size: 14px;
}

/* =========================
   Hero
========================= */
.kb-hero{
  padding: 72px 0 88px;
  background:
    radial-gradient(circle at 20% 15%, rgba(167, 176, 138, .20), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(30, 50, 89, .08), transparent 28%),
    var(--kb-bg);
}

.kb-hero__inner{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 56px;
}

.kb-hero__body{
  display: grid;
  gap: 24px;
}

.kb-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

.kb-hero__visual{
  display: flex;
  justify-content: center;
}

.kb-hero__visual img{
  width: min(100%, 430px);
  border-radius: var(--kb-radius-lg);
  box-shadow: var(--kb-shadow);
}

/* =========================
   Common content
========================= */
.kb-text{
  margin-top: 28px;
}

.kb-center{
  text-align: center;
  margin-top: 28px;
}

.kb-section .kb-heading--section{
  margin-top: 12px;
}

/* =========================
   Scene
========================= */
.kb-sceneGrid{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.kb-sceneCard{
  min-height: 120px;
  padding: 24px;
  display: flex;
  align-items: center;
  color: var(--kb-navy);
  font-weight: 700;
}

/* =========================
   Price
========================= */
.kb-priceGrid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.kb-priceCard{
  padding: 30px;
}

.kb-priceCard h3{
  margin: 0;
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  font-size: 22px;
}

.kb-priceCard__price{
  margin-top: 18px;
  color: var(--kb-navy);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .04em;
}

/* =========================
   Flow
========================= */
.kb-flowImage{
  margin-top: 34px;
  padding: 18px;
  overflow: hidden;
}

.kb-flowImage img{
  border-radius: calc(var(--kb-radius) - 8px);
}

/* =========================
   Reserve
========================= */
.kb-reserve{
  padding: 44px;
  text-align: center;
}

.kb-reserve .kb-text{
  text-align: left;
}

.kb-reserve__action{
  margin-top: 30px;
}

/* =========================
   FAQ
========================= */
.kb-faq{
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.kb-faq details{
  padding: 20px 24px;
}

.kb-faq summary{
  cursor: pointer;
  color: var(--kb-navy);
  font-weight: 700;
}

.kb-faq details p{
  margin-top: 14px;
  color: var(--kb-brown);
}

/* =========================
   Footer
========================= */
.kb-footer{
  padding: 48px 0;
  background: var(--kb-navy);
  color: #fff;
}

.kb-footer__inner{
  display: grid;
  gap: 18px;
}

.kb-footer__brand{
  display: flex;
  align-items: center;
  gap: 14px;
}

.kb-footer__logo{
  width: 54px;
  border-radius: 14px;
}

.kb-footer__name{
  font-weight: 700;
  letter-spacing: .14em;
}

.kb-footer__text,
.kb-footer__mail,
.kb-footer__copy{
  color: rgba(255,255,255,.78);
  font-size: 14px;
}

.kb-footer a{
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* =========================
   Responsive additions
========================= */
@media (max-width: 960px){
  .kb-header__nav{
    display: none;
  }

  .kb-hero__inner{
    grid-template-columns: 1fr;
  }

  .kb-hero__visual{
    order: -1;
  }

  .kb-sceneGrid{
    grid-template-columns: repeat(2, 1fr);
  }

  .kb-priceGrid{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px){
  .kb-header__name{
    display: none;
  }

  .kb-header__btn{
    min-height: 40px;
    padding-inline: 16px;
  }

  .kb-hero{
    padding: 42px 0 60px;
  }

  .kb-hero__actions{
    flex-direction: column;
  }

  .kb-btn{
    width: 100%;
  }

  .kb-sceneGrid{
    grid-template-columns: 1fr;
  }

  .kb-reserve{
    padding: 30px 22px;
  }
}

/* =========================
   News
========================= */
.kb-newsHead{
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.kb-newsLead{
  margin-top: 18px;
}

.kb-newsList{
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.kb-newsCard{
  transition:
    transform var(--kb-transition),
    box-shadow var(--kb-transition);
}

.kb-newsCard a,
.kb-newsCard{
  display: block;
  padding: 24px;
}

.kb-newsCard:hover{
  transform: translateY(-2px);
  box-shadow: var(--kb-shadow);
}

.kb-newsCard time{
  color: var(--kb-green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.kb-newsCard h3{
  margin: 8px 0 0;
  color: var(--kb-navy);
  font-size: 18px;
}

.kb-newsCard p{
  margin-top: 8px;
  color: var(--kb-slate);
  font-size: 14px;
}

@media (max-width: 560px){
  .kb-newsHead{
    display: grid;
  }

  .kb-newsHead .kb-btn{
    width: 100%;
  }
}

/* =========================
   Page Hero
========================= */
.kb-pageHero{
  padding: 64px 0 24px;
}

.kb-pageHero__lead{
  margin-top: 18px;
}

/* =========================
   News archive
========================= */
.kb-newsArchive{
  display: grid;
  gap: 18px;
}

.kb-newsArchive__item{
  transition:
    transform var(--kb-transition),
    box-shadow var(--kb-transition);
}

.kb-newsArchive__item:hover{
  transform: translateY(-2px);
  box-shadow: var(--kb-shadow);
}

.kb-newsArchive__link{
  display: block;
  padding: 28px;
}

.kb-newsArchive__date{
  display: inline-block;
  color: var(--kb-green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.kb-newsArchive__title{
  margin: 10px 0 0;
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.5;
}

.kb-newsArchive__excerpt{
  margin-top: 12px;
  color: var(--kb-slate);
}

.kb-empty{
  padding: 28px;
}

.kb-pagination{
  margin-top: 30px;
}

.kb-pagination .nav-links{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.kb-pagination .page-numbers{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--kb-line);
  background: #fff;
  color: var(--kb-navy);
  font-weight: 700;
}

.kb-pagination .page-numbers.current{
  background: var(--kb-navy);
  border-color: var(--kb-navy);
  color: #fff;
}

/* =========================
   Single post
========================= */
.kb-single__date{
  display: inline-block;
  margin: 18px 0 10px;
  color: var(--kb-green);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
}

.kb-single__body{
  padding: 44px;
}

.kb-single__body h2,
.kb-single__body h3{
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  line-height: 1.5;
}

.kb-single__body h2{
  margin: 2em 0 .8em;
  font-size: 26px;
}

.kb-single__body h3{
  margin: 1.8em 0 .7em;
  font-size: 22px;
}

.kb-single__body p{
  line-height: 2;
}

.kb-single__body ul,
.kb-single__body ol{
  padding-left: 1.4em;
  line-height: 2;
}

.kb-single__body a{
  color: var(--kb-navy);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.kb-single__body img{
  border-radius: var(--kb-radius-sm);
}

.kb-single__nav{
  margin-top: 28px;
  text-align: center;
}

@media (max-width: 560px){
  .kb-single__body{
    padding: 28px 22px;
  }
}

/* =========================
   Policy page
========================= */
.kb-policy{
  padding: 44px;
}

.kb-policy__section + .kb-policy__section{
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--kb-line);
}

.kb-policy__section h2{
  margin: 0 0 14px;
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.5;
}

.kb-policy__section p{
  line-height: 2;
}

.kb-policy__section ul{
  margin: 12px 0 0;
  padding-left: 1.4em;
}

.kb-policy__section li{
  line-height: 2;
}

.kb-policy__foot{
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--kb-line);
  color: var(--kb-slate);
  font-size: 14px;
}

@media (max-width: 560px){
  .kb-policy{
    padding: 28px 22px;
  }

  .kb-policy__section + .kb-policy__section{
    margin-top: 26px;
    padding-top: 26px;
  }
}

/* =========================
   Contact page
========================= */
.kb-contact{
  padding: 44px;
}

.kb-contact .wpcf7{
  color: var(--kb-brown);
}

.kb-contact .wpcf7 p{
  margin: 0 0 22px;
}

.kb-contact label{
  display: grid;
  gap: 8px;
  color: var(--kb-navy);
  font-weight: 700;
}

.kb-contact input[type="text"],
.kb-contact input[type="email"],
.kb-contact textarea{
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border: 1px solid var(--kb-line-strong);
  border-radius: var(--kb-radius-sm);
  background: #fff;
  color: var(--kb-brown);
  font: inherit;
  letter-spacing: .04em;
}

.kb-contact textarea{
  min-height: 180px;
  resize: vertical;
}

.kb-contact input[type="submit"]{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--kb-btn-h);
  padding: 0 var(--kb-btn-px);
  border: 0;
  border-radius: 999px;
  background: var(--kb-navy);
  color: #fff;
  font: inherit;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  box-shadow: var(--kb-shadow-soft);
  transition:
    transform var(--kb-transition),
    box-shadow var(--kb-transition),
    background var(--kb-transition);
}

.kb-contact input[type="submit"]:hover{
  transform: translateY(-2px);
  background: var(--kb-navy-2);
  box-shadow: var(--kb-shadow);
}

.wpcf7-not-valid-tip{
  margin-top: 6px;
  color: #9b3b32;
  font-size: 13px;
}

.wpcf7-response-output{
  margin: 24px 0 0 !important;
  padding: 14px 16px !important;
  border-radius: var(--kb-radius-sm);
  font-size: 14px;
}

@media (max-width: 560px){
  .kb-contact{
    padding: 28px 22px;
  }

  .kb-contact input[type="submit"]{
    width: 100%;
  }
}

.kb-hero__policy{
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--kb-slate);
}

.kb-hero__policy a{
  color: var(--kb-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.kb-hero__policy a:hover{
  opacity: .78;
}

.kb-footer__links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.kb-footer__links a{
  color: rgba(255,255,255,.86);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.kb-footer__links a:hover{
  color: #fff;
}

.kb-footer{
  background: var(--kb-navy);
  color: rgba(255,255,255,.92);
}

.kb-footer__inner{
  padding: 56px 0 44px;
}

.kb-footer__brand{
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.kb-footer__logo{
  width: 52px;
  height: auto;
  flex: 0 0 52px;
}

.kb-footer__name{
  margin: 0 0 8px;
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .08em;
}

.kb-footer__text{
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: 14px;
  line-height: 1.9;
}

.kb-footer__links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 26px;
}

.kb-footer__links a{
  color: rgba(255,255,255,.88);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.kb-footer__links a:hover{
  color: #fff;
}

.kb-footer__mail{
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,.72);
}

.kb-footer__mail a{
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.kb-footer__copy{
  margin-top: 34px;
  font-size: 12px;
  color: rgba(255,255,255,.62);
}

.kb-footer__brand{
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}

.kb-footer__brand:hover{
  opacity: .92;
}

.kb-footer__brand{
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.kb-footer__brandLogo{
  display: inline-flex;
  flex: 0 0 auto;
  text-decoration: none;
}

.kb-footer__brandLogo:hover{
  opacity: .92;
}

.kb-footer__brandText{
  min-width: 0;
}

.kb-policy a{
  color: var(--kb-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.kb-policy a:hover{
  opacity: .78;
}

.kb-hostCard{
  margin-top: 40px;
  padding: 24px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: center;
  background: #f8f4ee;
  border: 1px solid rgba(30, 55, 90, 0.08);
  border-radius: 24px;
}

.kb-hostCard__image img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.kb-hostCard__label{
  margin: 0 0 8px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: #9aa77c;
}

.kb-hostCard__name{
  margin: 0 0 12px;
  font-size: 1.6rem;
  line-height: 1.3;
  color: #1f3f73;
  font-weight: 600;
}

.kb-hostCard__text{
  margin: 0;
  line-height: 2;
  color: #4b5563;
}

@media (max-width: 767px){
  .kb-hostCard{
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 20px;
    text-align: center;
  }

  .kb-hostCard__image{
    max-width: 220px;
    margin: 0 auto;
  }

  .kb-hostCard__name{
    font-size: 1.35rem;
  }
}

.kb-priceGuide{
  margin-top: 28px;
  padding: 20px 24px;
  background: #f8f4ee;
  border: 1px solid rgba(30, 55, 90, 0.08);
  border-radius: 18px;
  text-align: center;
}

.kb-priceGuide__lead{
  margin: 0 0 10px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: #9aa77c;
}

.kb-priceGuide p{
  margin: 0;
  line-height: 1.9;
}

.kb-priceGuide p + p{
  margin-top: 10px;
}

.kb-priceGuide__action{
  margin: 18px 0;
}