/* ============================================
   Aoki Family English — Style Sheet
   パステルポップ × やさしさ × 家族の温かみ
   M PLUS Rounded 1c + Fredoka が核
   ============================================ */

/* ----- Custom Properties ----- */
:root {
  --color-primary:       #4CAF82;
  --color-primary-light: #7DCBA4;
  --color-primary-dark:  #3A8F6A;
  --color-primary-pale:  #E8F5EC;

  --color-accent:        #FFD54F;
  --color-accent-light:  #FFE082;
  --color-accent-warm:   #FFCA28;
  --color-accent-pale:   #FFF8E1;

  --color-coral:         #E8716A;
  --color-coral-dark:    #D45A53;
  --color-sky:           #81D4FA;

  --color-bg:            #FFFFFF;
  --color-bg-alt:        #F9FBF7;
  --color-bg-warm:       #FFF8E1;
  --color-bg-green:      #E8F5EC;
  --color-surface:       #FFFFFF;
  --color-text:          #333333;
  --color-text-light:    #666666;
  --color-text-muted:    #888888;
  --color-heading:       #2D2D2D;
  --color-border:        #E0E8DC;

  --color-footer-bg:     #2D4A3E;
  --color-footer-text:   #E8F5EC;

  --font-heading:   "M PLUS Rounded 1c", "Zen Maru Gothic", sans-serif;
  --font-body:      "Noto Sans JP", sans-serif;
  --font-accent-en: "Fredoka", "Nunito", sans-serif;
  --font-ui:        "Poppins", sans-serif;

  --section-py:    clamp(64px, 10vw, 120px);
  --container-px:  clamp(16px, 4vw, 40px);
  --max-width:     1080px;

  --radius-card:   18px;
  --radius-pill:   999px;
  --radius-sm:     8px;

  --shadow-card:   0 4px 20px rgba(76,175,130,.08);
  --shadow-hover:  0 8px 32px rgba(76,175,130,.14);
  --shadow-header: 0 2px 12px rgba(0,0,0,.06);

  --ease: cubic-bezier(.4,0,.2,1);
  --header-h: 72px;
}


/* ----- Reset ----- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--header-h)}
body{font-family:var(--font-body);font-size:1rem;line-height:1.9;color:var(--color-text);background:var(--color-bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;border:none;background:none;outline:none}
button{cursor:pointer}
::selection{background:var(--color-primary-light);color:#fff}


/* ----- Utility ----- */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--container-px)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}


/* ----- Skip Link ----- */
.skip-link{position:absolute;top:-100%;left:16px;z-index:9999;padding:12px 24px;background:var(--color-primary);color:#fff;font-family:var(--font-ui);font-weight:600;font-size:14px;border-radius:0 0 var(--radius-sm) var(--radius-sm);transition:top .2s var(--ease)}
.skip-link:focus{top:0}


/* ----- Section Heading Pattern ----- */
.section-heading{text-align:center;margin-bottom:clamp(40px, 6vw, 64px)}
.section-heading__en{display:block;font-family:var(--font-accent-en);font-weight:600;font-size:clamp(22px, 3.5vw, 32px);color:var(--color-primary);margin-bottom:4px;letter-spacing:1px}
.section-heading__ja{display:block;font-family:var(--font-heading);font-weight:700;font-size:clamp(22px, 3.5vw, 30px);color:var(--color-heading);line-height:1.4}
.section-heading__line{display:block;width:64px;height:4px;margin:12px auto 0;border-radius:2px;background:var(--color-accent)}
/* Hand-drawn wavy underline variant */
.section-heading__wave{display:block;margin:16px auto 0;width:100px;height:8px;background:url("data:image/svg+xml,%3Csvg width='100' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 4c6-3 10-3 16 0s10 3 16 0 10-3 16 0 10 3 16 0 10-3 16 0 10 3 16 0' fill='none' stroke='%23FFD54F' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center/contain}


/* ----- Buttons ----- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;font-family:var(--font-ui);font-weight:600;font-size:15px;border:2px solid transparent;border-radius:var(--radius-pill);transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);white-space:nowrap;letter-spacing:.3px}
.btn--primary{background:var(--color-coral);color:#fff;box-shadow:0 4px 16px rgba(255,138,128,.25)}
.btn--primary:hover{background:var(--color-coral-dark);transform:scale(1.03);box-shadow:0 6px 24px rgba(255,138,128,.35)}
.btn--coral{padding:16px 36px;font-size:16px}
.btn--ghost{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary);padding:16px 36px;font-size:16px}
.btn--ghost:hover{background:var(--color-primary);color:#fff;transform:scale(1.03)}
.btn--white{background:#fff;color:var(--color-primary);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn--white:hover{background:var(--color-primary-pale);transform:scale(1.03)}
.btn--sm{padding:10px 24px;font-size:13px}
.btn:active{transform:scale(.97)}
.btn:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}


/* ----- Wave Dividers ----- */
.wave-divider{display:block;width:100%;height:auto;line-height:0;margin:-1px 0}
.wave-divider svg{display:block;width:100%;height:auto}


/* ----- Decorative Dot Pattern ----- */
.dot-bg{position:relative}
.dot-bg::before{content:"";position:absolute;inset:0;background:radial-gradient(circle,var(--color-primary) .8px,transparent .8px);background-size:28px 28px;opacity:.035;pointer-events:none;z-index:0}
.dot-bg>*{position:relative;z-index:1}


/* ============================================
   HEADER
   ============================================ */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:box-shadow .3s var(--ease);height:var(--header-h);display:flex;align-items:center}
.header--scrolled{box-shadow:var(--shadow-header)}
.header__inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--container-px)}
.header__logo{display:flex;align-items:center;gap:4px}
.header__logo img{height:40px;width:auto}
.header__nav{display:flex;align-items:center;gap:32px}
.header__links{display:flex;gap:28px}
.header__link{font-family:var(--font-ui);font-size:14px;font-weight:500;color:var(--color-text);position:relative;padding:4px 0;transition:color .25s var(--ease)}
.header__link::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--color-primary);border-radius:1px;transition:width .25s var(--ease)}
.header__link:hover{color:var(--color-primary)}
.header__link:hover::after{width:100%}
.header__cta{margin-left:8px}
.header__hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;cursor:pointer;z-index:110}
.header__hamburger span{display:block;width:24px;height:2px;background:var(--color-heading);border-radius:1px;transition:all .3s var(--ease)}


/* ----- Mobile Drawer ----- */
.drawer{position:fixed;top:0;right:0;width:min(320px,85vw);height:100vh;background:#fff;z-index:105;transform:translateX(100%);transition:transform .35s var(--ease);padding:96px 32px 40px;display:flex;flex-direction:column;gap:8px;box-shadow:-4px 0 24px rgba(0,0,0,.08)}
.drawer--open{transform:translateX(0)}
.drawer__link{font-family:var(--font-heading);font-size:18px;font-weight:600;color:var(--color-heading);padding:14px 0;border-bottom:1px solid var(--color-border);transition:color .2s var(--ease)}
.drawer__link:hover{color:var(--color-primary)}
.drawer__cta{margin-top:24px}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:104;opacity:0;pointer-events:none;transition:opacity .35s var(--ease)}
.drawer-overlay--open{opacity:1;pointer-events:auto}


/* ============================================
   HERO
   ============================================ */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding-top:var(--header-h);background:linear-gradient(160deg,var(--color-bg-green) 0%,#f0faf3 40%,var(--color-accent-pale) 100%);overflow:hidden}
/* Dot pattern overlay */
.hero::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle, var(--color-primary-light) 1px, transparent 1px);background-size:40px 40px;opacity:0.06;pointer-events:none;z-index:0}
.hero__inner{display:flex;align-items:center;gap:clamp(24px,4vw,56px);width:100%;max-width:var(--max-width);margin:0 auto;padding:clamp(32px,6vw,72px) var(--container-px);position:relative;z-index:1}
.hero__content{flex:1;min-width:0}
.hero__en{font-family:var(--font-accent-en);font-weight:600;font-size:clamp(20px, 3vw, 28px);color:var(--color-primary);margin-bottom:12px;letter-spacing:1.5px}
.hero__title{font-family:var(--font-heading);font-weight:800;font-size:clamp(30px, 5.5vw, 48px);color:var(--color-heading);line-height:1.35;margin-bottom:20px}
.hero__sub{font-size:clamp(15px, 1.8vw, 18px);color:var(--color-text-light);margin-bottom:40px;line-height:1.9;max-width:480px}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px}
.hero__visual{flex:0 0 55%;max-width:540px}
.hero__img-wrap{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 12px 40px rgba(76,175,130,0.15)}
.hero__img-wrap img{width:100%;height:100%;object-fit:cover}
/* Decorative pastel circles */
.hero__circle{position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.hero__circle--1{width:300px;height:300px;top:-80px;right:-60px;background:var(--color-accent);opacity:0.08}
.hero__circle--2{width:200px;height:200px;bottom:-40px;left:-40px;background:var(--color-sky);opacity:0.06}
/* Info card under hero photo */
.hero__info-card{margin-top:20px;background:var(--color-surface);border-radius:14px;padding:16px 24px;box-shadow:0 4px 20px rgba(76,175,130,0.10);display:inline-flex;flex-direction:column;gap:4px;border-left:4px solid var(--color-primary)}
.hero__info-badge{display:inline-block;background:var(--color-primary);color:#fff;font-family:var(--font-ui);font-weight:600;font-size:11px;padding:3px 10px;border-radius:999px;width:fit-content;margin-bottom:4px}
.hero__info-text{font-family:var(--font-heading);font-weight:700;font-size:16px;color:var(--color-heading)}
.hero__info-text strong{font-family:var(--font-accent-en);font-size:22px;color:var(--color-primary)}
.hero__info-sub{font-size:13px;color:var(--color-text-muted)}
.hero__info-sub strong{color:var(--color-coral);font-weight:700}

/* Hero floating decorations */
.hero__deco{position:absolute;font-family:var(--font-accent-en);font-weight:700;color:var(--color-primary);opacity:.07;user-select:none;pointer-events:none}
.hero__deco--1{top:12%;right:8%;font-size:clamp(48px,8vw,96px);transform:rotate(-12deg)}
.hero__deco--2{bottom:18%;left:4%;font-size:clamp(36px,6vw,72px);transform:rotate(8deg)}
.hero__deco--3{top:40%;right:2%;font-size:clamp(28px,4vw,56px);transform:rotate(-5deg)}
/* Small hand-drawn star accent near title */
.hero__star{position:absolute;top:8%;left:38%;width:32px;height:32px;opacity:.18}


/* ============================================
   CONCEPT
   ============================================ */
.concept{padding:var(--section-py) 0;background:var(--color-bg)}
.concept__inner{display:flex;align-items:center;gap:clamp(24px,5vw,64px)}
.concept__img{flex:0 0 44%;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.concept__img-wrap{aspect-ratio:3/2;border-radius:20px}
.concept__img-wrap img{width:100%;height:100%;object-fit:cover;border-radius:20px}
.concept__text{flex:1;min-width:0}
.concept__catch{font-family:var(--font-heading);font-weight:700;font-size:clamp(22px, 3.5vw, 30px);color:var(--color-heading);line-height:1.6;margin-bottom:24px}
.concept__catch em{font-style:normal;color:var(--color-primary);background:linear-gradient(transparent 60%, var(--color-accent-pale) 60%)}
.concept__text{font-size:16px;line-height:2.0}
.concept__desc{color:var(--color-text-light);line-height:2}


/* ============================================
   COURSE
   ============================================ */
.course{padding:var(--section-py) 0;background:var(--color-bg-alt)}
.course__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.course-card{background:var(--color-surface);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card);transition:transform .35s var(--ease),box-shadow .35s var(--ease);cursor:pointer;display:flex;flex-direction:column}
.course-card:nth-child(1){border-top:4px solid var(--color-sky)}
.course-card:nth-child(2){border-top:4px solid var(--color-coral)}
.course-card:nth-child(3){border-top:4px solid var(--color-primary)}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.course-card__img{aspect-ratio:3/2;overflow:hidden;position:relative}
.course-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.course-card:hover .course-card__img img{transform:scale(1.04)}
.course-card__badge{position:absolute;top:12px;left:12px;padding:4px 14px;border-radius:var(--radius-pill);font-family:var(--font-ui);font-weight:600;font-size:12px;color:#fff;z-index:2}
.course-card__badge--kids{background:var(--color-sky)}
.course-card__badge--mothers{background:var(--color-coral)}
.course-card__badge--fathers{background:var(--color-primary)}
.course-card__body{padding:28px 24px;flex:1;display:flex;flex-direction:column}
.course-card__title{font-family:var(--font-heading);font-weight:700;font-size:19px;color:var(--color-heading);margin-bottom:12px}
.course-card__target{font-size:13px;color:var(--color-text-muted);margin-bottom:12px}
.course-card__desc{font-size:15px;color:var(--color-text-light);line-height:1.85;flex:1}
.course-card__more{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-ui);font-weight:600;font-size:13px;color:var(--color-primary);margin-top:16px;transition:gap .25s var(--ease)}
.course-card:hover .course-card__more{gap:8px}


/* ============================================
   FLOW
   ============================================ */
.flow{padding:var(--section-py) 0;background:var(--color-bg)}
.flow__steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.flow-step{text-align:center;position:relative;padding:0 8px}
.flow-step__icon{width:88px;height:88px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:34px;background:var(--color-primary-pale);color:var(--color-primary);position:relative;z-index:2;box-shadow:0 4px 16px rgba(76,175,130,0.12)}
.flow-step__num{position:absolute;top:-6px;right:-6px;width:28px;height:28px;border-radius:50%;background:var(--color-accent);color:var(--color-heading);font-family:var(--font-ui);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.flow-step__title{font-family:var(--font-heading);font-weight:700;font-size:18px;color:var(--color-heading);margin-bottom:10px}
.flow-step__desc{font-size:14px;color:var(--color-text-light);line-height:1.8}
/* Dotted connector between steps */
.flow-step:not(:last-child)::after{content:"";position:absolute;top:36px;left:calc(50% + 44px);width:calc(100% - 88px);height:2px;border-top:2px dashed var(--color-primary-light);z-index:1}


/* ============================================
   TEACHER
   ============================================ */
.teacher{padding:var(--section-py) 0;background:var(--color-bg-warm);position:relative}
.teacher__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(24px,4vw,48px)}
.teacher-card{text-align:center}
.teacher-card__photo{width:clamp(140px, 20vw, 200px);height:clamp(140px, 20vw, 200px);border-radius:50%;margin:0 auto 20px;overflow:hidden;border:5px solid #fff;box-shadow:var(--shadow-card)}
.teacher-card__photo-inner{width:100%;height:100%;object-fit:cover}
.teacher-card__name{font-family:var(--font-heading);font-weight:700;font-size:20px;color:var(--color-heading);margin-bottom:6px}
.teacher-card__name-en{font-family:var(--font-accent-en);font-weight:500;font-size:15px;color:var(--color-primary);margin-bottom:16px}
.teacher-card__meta{font-size:14px;color:var(--color-text-light);margin-bottom:20px;line-height:1.8}
/* Speech bubble message */
.teacher-card__msg{position:relative;background:var(--color-surface);border-radius:var(--radius-card);padding:28px 28px;font-size:15px;color:var(--color-text);line-height:1.9;box-shadow:var(--shadow-card);text-align:left;border-left:4px solid var(--color-primary-light)}
.teacher-card__msg::before{content:"";position:absolute;top:-10px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid var(--color-surface)}


/* ============================================
   PRICE
   ============================================ */
.price{padding:var(--section-py) 0;background:var(--color-bg-alt)}
.price__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}
.price-card{background:var(--color-surface);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .3s var(--ease)}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.price-card__head{padding:28px 24px 20px;text-align:center;border-bottom:1px solid var(--color-border)}
.price-card__icon{font-size:40px;margin-bottom:12px}
.price-card__name{font-family:var(--font-heading);font-weight:700;font-size:19px;color:var(--color-heading);margin-bottom:6px}
.price-card__target{font-size:13px;color:var(--color-text-muted)}
.price-card__body{padding:28px;flex:1;display:flex;flex-direction:column}
.price-card__amount{text-align:center;margin-bottom:16px}
.price-card__yen{font-family:var(--font-ui);font-weight:700;font-size:clamp(32px, 5vw, 42px);color:var(--color-primary-dark);letter-spacing:-.5px}
.price-card__period{font-size:14px;color:var(--color-text-muted);margin-left:4px}
.price-card__list{display:flex;flex-direction:column;gap:0;flex:1}
.price-card__list li{font-size:14px;color:var(--color-text-light);padding:10px 0 10px 22px;position:relative;line-height:1.7;border-bottom:1px solid var(--color-border)}
.price-card__list li:last-child{border-bottom:none}
.price-card__list li::before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700;font-size:13px}

/* Family Pack — featured */
.price__family{background:linear-gradient(135deg,var(--color-accent-pale),var(--color-accent-pale));border:2px solid var(--color-accent);border-radius:var(--radius-card);padding:clamp(24px,3vw,36px);text-align:center;position:relative;box-shadow:0 4px 24px rgba(255,213,79,.15)}
.price__family-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--color-accent-warm);color:var(--color-heading);font-family:var(--font-heading);font-weight:700;font-size:13px;padding:4px 20px;border-radius:var(--radius-pill);white-space:nowrap}
.price__family-title{font-family:var(--font-heading);font-weight:700;font-size:20px;color:var(--color-heading);margin-bottom:8px;margin-top:8px}
.price__family-desc{font-size:15px;color:var(--color-text-light);margin-bottom:4px;line-height:1.7}
.price__family-example{font-family:var(--font-ui);font-weight:700;font-size:clamp(20px,3vw,28px);color:var(--color-primary-dark);margin:8px 0}
.price__note{text-align:center;font-size:13px;color:var(--color-text-muted);margin-top:24px;line-height:1.8}


/* ============================================
   VOICE
   ============================================ */
.voice{padding:var(--section-py) 0;background:var(--color-bg)}
.voice__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.voice-card{display:flex;flex-direction:column;padding:36px 28px;border-radius:var(--radius-card);position:relative;background:var(--color-surface);box-shadow:var(--shadow-card)}
.voice-card::before{content:"\201C";position:absolute;top:8px;left:20px;font-family:var(--font-accent-en);font-size:80px;color:var(--color-primary);opacity:0.12;line-height:1}
/* Speech bubble */
.voice-card__bubble{position:relative;background:transparent;border-radius:var(--radius-card);padding:0;box-shadow:none;flex:1;transition:transform .3s var(--ease)}
.voice-card__bubble:hover{transform:translateY(-4px)}
.voice-card__bubble::after{display:none}
.voice-card__text{font-size:15px;color:var(--color-text);line-height:1.9;margin-bottom:20px}
.voice-card__stars{margin-top:0;margin-bottom:12px;color:var(--color-accent-warm);font-size:18px;letter-spacing:2px}
.voice-card__author{margin-top:auto;font-size:13px;color:var(--color-text-muted);font-family:var(--font-body)}


/* ============================================
   GALLERY
   ============================================ */
.gallery{padding:var(--section-py) 0;background:var(--color-bg-green)}
.gallery__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery__item{border-radius:12px;overflow:hidden;position:relative;aspect-ratio:3/2;cursor:pointer}
.gallery__item::after{content:"";position:absolute;inset:0;background:var(--color-primary);opacity:0;transition:opacity .35s var(--ease);z-index:1}
.gallery__item:hover::after{opacity:.15}
.gallery__item:hover .gallery__img-inner{transform:scale(1.06)}
.gallery__img-inner{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
/* Gallery caption overlay */
.gallery__caption{position:absolute;bottom:0;left:0;right:0;padding:8px 12px;background:linear-gradient(transparent, rgba(0,0,0,0.5));color:#fff;font-size:12px;font-family:var(--font-body);opacity:0;transition:opacity 0.3s ease;z-index:2}
.gallery__item:hover .gallery__caption{opacity:1}


/* ============================================
   FAQ
   ============================================ */
.faq{padding:var(--section-py) 0;background:var(--color-bg-alt)}
.faq__list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .3s var(--ease)}
.faq-item:hover{box-shadow:var(--shadow-hover, 0 8px 30px rgba(76,175,130,0.12))}
.faq-item__q{display:flex;align-items:center;gap:16px;padding:24px 28px;cursor:pointer;font-family:var(--font-heading);font-weight:700;font-size:16px;color:var(--color-heading);width:100%;text-align:left;line-height:1.6}
.faq-item__q::before{content:"Q";flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--color-primary);color:#fff;font-family:var(--font-accent-en);font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center}
.faq-item__q::after{content:"";flex-shrink:0;width:12px;height:12px;border-right:2px solid var(--color-text-muted);border-bottom:2px solid var(--color-text-muted);transform:rotate(45deg);margin-left:auto;transition:transform .3s var(--ease)}
.faq-item--open .faq-item__q::after{transform:rotate(-135deg)}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-item__a-inner{padding:0 28px 24px 80px;font-size:15px;color:var(--color-text-light);line-height:1.9}


/* ============================================
   ACCESS
   ============================================ */
.access{padding:var(--section-py) 0;background:var(--color-bg)}
.access__inner{display:flex;gap:clamp(24px,4vw,48px);align-items:flex-start}
.access__info{flex:1;min-width:0}
.access__detail{display:flex;flex-direction:column;gap:16px}
.access__row{display:flex;gap:12px;font-size:14px;line-height:1.7}
.access__row-label{flex-shrink:0;width:90px;font-family:var(--font-heading);font-weight:700;font-size:13px;color:var(--color-heading)}
.access__row-value{color:var(--color-text-light)}
.access__map{flex:0 0 48%;border-radius:var(--radius-card);overflow:hidden;aspect-ratio:4/3;background:var(--color-border)}
.access__map iframe{width:100%;height:100%;border:0}


/* ============================================
   CTA SECTION
   ============================================ */
.cta-section{padding:clamp(64px, 10vw, 120px) 0;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 50%,#2a7d5c 100%);text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-40%;right:-10%;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.04);pointer-events:none}
.cta-section::after{content:"";position:absolute;bottom:-30%;left:-5%;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.03);pointer-events:none}
.cta-section__en{font-family:var(--font-accent-en);font-weight:600;font-size:clamp(28px, 5vw, 40px);color:rgba(255,255,255,.9);margin-bottom:12px}
.cta-section__title,.cta-section__ja{font-family:var(--font-heading);font-weight:700;font-size:clamp(22px, 3.5vw, 30px);color:#fff;margin-bottom:16px;line-height:1.4}
.cta-section__sub{font-size:15px;color:rgba(255,255,255,.8);margin-bottom:36px;line-height:1.8}
.cta-section .btn--coral{padding:20px 48px;font-size:18px}
.cta-section__tel{display:block;margin-top:20px;font-family:var(--font-ui);font-weight:600;font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.9);letter-spacing:1px}
.cta-section__tel-small{font-size:13px;font-weight:400;color:rgba(255,255,255,.6);display:block;margin-top:4px}


/* ============================================
   FOOTER
   ============================================ */
.footer{background:var(--color-footer-bg);color:var(--color-footer-text);padding:clamp(40px,6vw,72px) 0 24px;position:relative}
.footer__inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:24px}
.footer__logo{height:36px;width:auto;filter:brightness(0) invert(1)}
.footer__info{font-size:13px;line-height:2;color:rgba(232,245,236,.7)}
.footer__sns{display:flex;gap:20px;margin-top:4px}
.footer__sns a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);color:var(--color-footer-text);font-size:18px;transition:all .3s var(--ease)}
.footer__sns a:hover{background:var(--color-primary);transform:scale(1.1)}
.footer__copy{font-size:12px;color:rgba(232,245,236,.4);margin-top:8px}


/* ============================================
   MODALS
   ============================================ */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.modal--open{opacity:1;pointer-events:auto}
.modal__overlay{position:absolute;inset:0;background:rgba(0,0,0,.4);backdrop-filter:blur(4px)}
.modal__content{position:relative;background:#fff;border-radius:var(--radius-card);width:min(540px,92vw);max-height:88vh;overflow-y:auto;padding:clamp(24px,4vw,40px);box-shadow:0 24px 64px rgba(0,0,0,.15);transform:translateY(16px) scale(.97);transition:transform .35s var(--ease)}
.modal--open .modal__content{transform:translateY(0) scale(1)}
.modal__close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--color-text-muted);transition:all .2s var(--ease);cursor:pointer}
.modal__close:hover{background:var(--color-coral);color:#fff}
.modal__title{font-family:var(--font-heading);font-weight:700;font-size:20px;color:var(--color-heading);margin-bottom:20px}

/* Booking Form */
.booking-form{display:flex;flex-direction:column;gap:20px}
.booking-form__group{display:flex;flex-direction:column;gap:6px}
.booking-form__label{font-family:var(--font-heading);font-weight:600;font-size:13px;color:var(--color-heading)}
.booking-form__label .required{color:var(--color-coral);font-size:11px;margin-left:6px}
.booking-form__input,
.booking-form__select,
.booking-form__textarea{width:100%;padding:12px 16px;border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:15px;transition:border-color .2s var(--ease);background:#fff}
.booking-form__input:focus,
.booking-form__select:focus,
.booking-form__textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(76,175,130,.12)}
.booking-form__textarea{min-height:100px;resize:vertical}
.booking-form__select{appearance:none;-webkit-appearance:none;padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;cursor:pointer}
.booking-form__error{font-size:12px;color:var(--color-coral);display:none}
.booking-form__group--error .booking-form__input,
.booking-form__group--error .booking-form__select{border-color:var(--color-coral)}
.booking-form__group--error .booking-form__error{display:block}
.booking-form__actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}
/* Honeypot */
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden}

/* Confirm Step */
.confirm-table{width:100%;border-collapse:collapse;margin-bottom:24px}
.confirm-table th{text-align:left;padding:10px 12px;font-family:var(--font-heading);font-weight:600;font-size:13px;color:var(--color-text-muted);background:var(--color-bg-alt);width:30%;border-radius:var(--radius-sm) 0 0 var(--radius-sm)}
.confirm-table td{padding:10px 12px;font-size:14px;color:var(--color-text)}
.confirm-table tr+tr th,.confirm-table tr+tr td{border-top:1px solid var(--color-border)}

/* Completion */
.booking-complete{text-align:center;padding:32px 0}
.booking-complete__icon{font-size:48px;margin-bottom:16px}
.booking-complete__title{font-family:var(--font-heading);font-weight:700;font-size:20px;color:var(--color-heading);margin-bottom:12px}
.booking-complete__text{font-size:14px;color:var(--color-text-light);line-height:1.8}

/* Course Detail Modal */
.course-detail__header{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.course-detail__badge{flex-shrink:0;padding:6px 16px;border-radius:var(--radius-pill);color:#fff;font-family:var(--font-ui);font-weight:600;font-size:13px}
.course-detail__info{flex:1}
.course-detail__name{font-family:var(--font-heading);font-weight:700;font-size:20px;color:var(--color-heading);margin-bottom:4px}
.course-detail__target{font-size:14px;color:var(--color-text-muted)}
.course-detail__section{margin-bottom:20px}
.course-detail__section-title{font-family:var(--font-heading);font-weight:700;font-size:15px;color:var(--color-heading);margin-bottom:8px;padding-bottom:8px;border-bottom:2px solid var(--color-border)}
.course-detail__desc{font-size:14px;color:var(--color-text-light);line-height:1.9}
.course-detail__features{display:flex;flex-direction:column;gap:8px}
.course-detail__features li{font-size:14px;color:var(--color-text-light);padding-left:22px;position:relative;line-height:1.7}
.course-detail__features li::before{content:"●";position:absolute;left:0;color:var(--color-primary);font-size:8px;top:6px}
.course-detail__price{font-family:var(--font-ui);font-weight:700;font-size:28px;color:var(--color-primary-dark);text-align:center;margin:20px 0}
.course-detail__price span{font-size:14px;font-weight:400;color:var(--color-text-muted)}


/* ============================================
   STICKY CTA
   ============================================ */
.sticky-cta{position:fixed;bottom:24px;right:24px;z-index:90;opacity:0;transform:translateY(20px);pointer-events:none;transition:all .4s var(--ease)}
.sticky-cta--visible{opacity:1;transform:translateY(0);pointer-events:auto}
.sticky-cta .btn{box-shadow:0 4px 24px rgba(255,138,128,.35);font-size:14px;padding:14px 28px}

/* Scroll-to-top */
.scroll-top{position:fixed;bottom:24px;left:24px;z-index:90;width:44px;height:44px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;transform:translateY(20px);pointer-events:none;transition:all .4s var(--ease);box-shadow:0 4px 16px rgba(76,175,130,.25);cursor:pointer}
.scroll-top--visible{opacity:1;transform:translateY(0);pointer-events:auto}
.scroll-top:hover{background:var(--color-primary-dark);transform:translateY(-2px)}


/* ============================================
   FLATPICKR THEME OVERRIDE
   ============================================ */
.flatpickr-calendar{border-radius:var(--radius-card) !important;box-shadow:var(--shadow-hover) !important;border:none !important;font-family:var(--font-body) !important}
.flatpickr-day.selected,.flatpickr-day.selected:hover{background:var(--color-primary) !important;border-color:var(--color-primary) !important}
.flatpickr-day:hover{background:var(--color-primary-pale) !important}
.flatpickr-months .flatpickr-month{background:var(--color-primary) !important;border-radius:var(--radius-card) var(--radius-card) 0 0 !important;color:#fff !important;fill:#fff !important}
.flatpickr-current-month .flatpickr-monthDropdown-months{background:var(--color-primary) !important;color:#fff !important}
.flatpickr-weekday{color:var(--color-text-muted) !important;font-weight:600 !important}
span.flatpickr-weekday{background:transparent !important}
.flatpickr-months .flatpickr-prev-month svg,.flatpickr-months .flatpickr-next-month svg{fill:#fff !important}


/* ============================================
   PLACEHOLDER (images)
   ============================================ */
.placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-family:var(--font-body);font-size:13px;color:var(--color-text-muted);text-align:center;padding:16px;line-height:1.5}


/* ============================================
   SCROLL ANIMATION
   ============================================ */
.fade-in{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.fade-in--visible{opacity:1;transform:translateY(0)}
/* Stagger children */
.stagger>*{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.stagger--visible>*{opacity:1;transform:translateY(0)}
.stagger--visible>*:nth-child(1){transition-delay:.05s}
.stagger--visible>*:nth-child(2){transition-delay:.12s}
.stagger--visible>*:nth-child(3){transition-delay:.19s}
.stagger--visible>*:nth-child(4){transition-delay:.26s}
.stagger--visible>*:nth-child(5){transition-delay:.33s}
.stagger--visible>*:nth-child(6){transition-delay:.40s}


/* ============================================
   RESPONSIVE
   ============================================ */

/* --- max 1024px --- */
@media(max-width:1024px){
  .hero__inner{flex-direction:column;text-align:center}
  .hero__sub{margin-left:auto;margin-right:auto}
  .hero__actions{justify-content:center}
  .hero__visual{max-width:480px;flex:none}

  .concept__inner{flex-direction:column}
  .concept__img{flex:none;width:100%;max-width:480px;margin:0 auto}

  .course__grid{grid-template-columns:repeat(2,1fr)}
  .course__grid>.course-card:last-child:nth-child(odd){grid-column:1/-1;max-width:50%;margin:0 auto}

  .teacher__grid{gap:24px}

  .price__grid{grid-template-columns:repeat(2,1fr)}

  .access__inner{flex-direction:column}
  .access__map{flex:none;width:100%;aspect-ratio:16/9}
}

/* --- max 768px --- */
@media(max-width:768px){
  :root{--header-h:64px}

  .header__nav{display:none}
  .header__hamburger{display:flex}

  .section-heading{margin-bottom:clamp(28px,5vw,48px)}

  .hero__visual{flex:0 0 100%;max-width:100%}
  .hero__circle{display:none}

  .flow__steps{grid-template-columns:1fr 1fr;gap:24px}
  .flow-step:not(:last-child)::after{display:none}

  .teacher__grid{grid-template-columns:1fr}
  .teacher-card+.teacher-card{margin-top:16px}

  .voice__grid{grid-template-columns:1fr}
  .voice-card+.voice-card{margin-top:8px}

  .gallery__grid{grid-template-columns:repeat(2,1fr)}
}

/* --- max 640px --- */
@media(max-width:640px){
  .hero{min-height:auto;padding-top:calc(var(--header-h) + 16px);padding-bottom:32px}
  .hero__title{font-size:clamp(24px,6vw,32px)}

  .course__grid{grid-template-columns:1fr}
  .course__grid>.course-card:last-child:nth-child(odd){max-width:none;grid-column:auto;margin:0}

  .flow__steps{grid-template-columns:1fr;max-width:300px;margin:0 auto}

  .price__grid{grid-template-columns:1fr}

  .gallery__grid{grid-template-columns:repeat(2,1fr);gap:10px}

  .access__row{flex-direction:column;gap:2px}
  .access__row-label{width:auto}

  .sticky-cta{bottom:16px;right:16px}
  .sticky-cta .btn{padding:12px 20px;font-size:13px}

  .scroll-top{bottom:16px;left:16px;width:40px;height:40px}
}


/* ============================================
   ACCESSIBILITY
   ============================================ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important}
  .fade-in{opacity:1;transform:none}
  .stagger>*{opacity:1;transform:none}
}
:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}