/* ==========================================================================
   Arigatou Educational Institute — 2026 revamp
   Theme: washi paper + sumi ink + sakura
   Plain CSS, no build step. Edit tokens in :root to reskin the whole site.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces — warm washi paper */
  --washi:        #FBF8F3;
  --washi-2:      #F4EEE5;
  --washi-3:      #EDE4D8;
  --paper-card:   #FFFDFA;

  /* Ink */
  --sumi:         #17140F;
  --sumi-soft:    #3A342C;
  --sumi-muted:   #6E6458;
  --sumi-faint:   #A79C8E;

  /* Accents */
  --sakura:       #E79AAE;
  --sakura-soft:  #F6D5DE;
  --sakura-deep:  #D2708A;
  --vermillion:   #C0473A;   /* torii red */
  --vermillion-d: #9E3629;
  --matcha:       #7E9B7A;   /* carried over from the current site */
  --gold:         #C0A02E;

  /* Type */
  --font-display: "Shippori Mincho", "Noto Serif JP", Georgia, serif;
  --font-body:    "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-hero:  clamp(2.6rem, 6.2vw, 5.2rem);
  --fs-h2:    clamp(2rem, 4vw, 3.15rem);
  --fs-h3:    clamp(1.2rem, 1.9vw, 1.55rem);
  --fs-body:  clamp(1rem, 1.05vw, 1.0625rem);
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  /* Space & shape */
  --gutter:   clamp(1.25rem, 5vw, 4.5rem);
  --maxw:     1240px;
  --section-y: clamp(4.5rem, 10vw, 9rem);
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 26px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(23,20,15,.05), 0 2px 8px rgba(23,20,15,.04);
  --shadow-md: 0 4px 12px rgba(23,20,15,.07), 0 18px 40px -20px rgba(23,20,15,.18);
  --shadow-lg: 0 10px 30px rgba(23,20,15,.09), 0 40px 80px -40px rgba(23,20,15,.30);

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out-soft: cubic-bezier(.16,1,.3,1);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--washi);
  color: var(--sumi);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Paper grain — a single inline SVG, no extra request */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.012em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--sumi);
  color: var(--washi);
  padding: .75rem 1.25rem;
  z-index: 200;
  border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.section { padding-block: var(--section-y); position: relative; }
.section--tint { background: var(--washi-2); }
.section--ink  { background: var(--sumi); color: var(--washi); }

/* Section label: small vertical Japanese marker + rule */
.eyebrow {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: var(--fs-micro);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--vermillion);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--vermillion);
  flex: none;
}
.eyebrow .jp {
  font-family: var(--font-display);
  letter-spacing: .1em;
  text-transform: none;
  color: var(--sumi-faint);
  font-size: .8rem;
}

.section-head { max-width: 46ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--fs-h2); }
.section-head .sub {
  margin-top: 1rem;
  color: var(--sumi-muted);
  font-size: 1.0625rem;
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* Decorative vertical kanji watermark */
.kanji-mark {
  position: absolute;
  top: clamp(2rem, 6vw, 5rem);
  right: clamp(.5rem, 3vw, 2.5rem);
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  letter-spacing: .3em;
  color: var(--sumi);
  opacity: .045;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}
.section--ink .kanji-mark { color: var(--washi); opacity: .07; }

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.6rem;
  border-radius: var(--r-pill);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background-color .25s var(--ease), color .25s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--vermillion);
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(192,71,58,.55);
}
.btn--primary:hover {
  background: var(--vermillion-d);
  box-shadow: 0 12px 26px -8px rgba(192,71,58,.6);
}

.btn--ink {
  background: var(--sumi);
  color: var(--washi);
}
.btn--ink:hover { background: #000; }

.btn--ghost {
  border: 1px solid rgba(23,20,15,.18);
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover { border-color: var(--sumi); background: #fff; }

.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   5. Sakura canvas
   -------------------------------------------------------------------------- */
#sakura-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   6. Header / nav
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(251,248,243,.82);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease),
              background-color .3s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: rgba(23,20,15,.09);
  box-shadow: 0 6px 24px -18px rgba(23,20,15,.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 78px;
}

.brand { display: flex; align-items: center; gap: .75rem; flex: none; }
.brand img { width: 46px; height: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.brand__jp {
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--vermillion);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--sumi-soft);
  position: relative;
  padding-block: .4rem;
  transition: color .2s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--vermillion);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--ease);
}
.nav__links a:hover { color: var(--sumi); }
.nav__links a:hover::after,
.nav__links a[aria-current="true"]::after { transform: scaleX(1); }

.nav__cta { display: flex; align-items: center; gap: .75rem; flex: none; }

.nav__toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; }
.nav__toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--sumi);
  position: relative; transition: background .2s var(--ease);
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: var(--sumi);
  transition: transform .3s var(--ease);
}
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after  { top: 7px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    inset: 78px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--washi);
    padding: 1rem var(--gutter) 2rem;
    border-bottom: 1px solid rgba(23,20,15,.09);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav__links a { padding: .95rem 0; border-bottom: 1px solid rgba(23,20,15,.07); font-size: 1.05rem; }
  .nav__cta .btn--ghost { display: none; }
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(4rem, 9vw, 8rem);
  overflow: hidden;
}
.hero::after {
  /* soft sakura wash at the top */
  content: "";
  position: absolute;
  top: -22%; right: -12%;
  width: 62vw; height: 62vw;
  max-width: 820px; max-height: 820px;
  background: radial-gradient(circle at 50% 50%, rgba(231,154,174,.30), rgba(231,154,174,0) 66%);
  pointer-events: none;
  z-index: 0;
}

/* Decorative sakura branch behind the hero.
   Sits at z-index 0; .wrap is z-index 1, so the headline, stats and photo all
   paint over it and appear to crop it — no masking needed for that.
   The bottom fade stops it colliding with the stats row. */
.hero__tree {
  position: absolute;
  top: clamp(-70px, -4vw, -10px);
  right: clamp(-90px, -4vw, -12px);
  width: min(640px, 47vw);
  z-index: 0;
  opacity: .55;
  pointer-events: none;
  user-select: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 58%, transparent 94%);
          mask-image: linear-gradient(to bottom, #000 58%, transparent 94%);
}
.hero__tree img { width: 100%; height: auto; display: block; }

/* invisible petal release points, positioned over the blossom clusters */
.hero__tree .sakura-emit {
  position: absolute;
  width: 2px;
  height: 2px;
}

@media (max-width: 900px) {
  .hero__tree {
    width: 92vw;
    right: -26vw;
    top: -6vw;
    opacity: .30;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .45rem 1rem .45rem .5rem;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(23,20,15,.09);
  font-size: var(--fs-small);
  color: var(--sumi-soft);
  margin-bottom: 1.6rem;
  box-shadow: var(--shadow-sm);
}
.hero__badge .dot {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--vermillion); color: #fff;
  display: grid; place-items: center; font-size: .7rem; flex: none;
}

.hero h1 { font-size: var(--fs-hero); letter-spacing: -.022em; }
.hero h1 .accent {
  color: var(--vermillion);
  font-style: italic;
}
.hero__lead {
  margin-top: 1.5rem;
  max-width: 46ch;
  font-size: 1.0625rem;
  color: var(--sumi-muted);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }

.hero__stats {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid rgba(23,20,15,.1);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 600;
  line-height: 1;
  color: var(--sumi);
}
.stat__num .unit { color: var(--vermillion); }
.stat__label {
  margin-top: .45rem;
  font-size: var(--fs-small);
  color: var(--sumi-muted);
  max-width: 18ch;
}

/* Hero image with offset torii-red frame */
.hero__figure { position: relative; }
.hero__figure img {
  width: 100%;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}
.hero__figure::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1.5px solid var(--vermillion);
  border-radius: var(--r-lg);
  opacity: .45;
  z-index: 0;
}
.hero__figure figcaption {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 2;
  background: rgba(23,20,15,.82);
  backdrop-filter: blur(8px);
  color: var(--washi);
  padding: .55rem 1.15rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-small);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: .5rem;
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__figure { order: -1; }
  .hero__figure::before { inset: 12px -12px -12px 12px; }
}

/* --------------------------------------------------------------------------
   8. About + people
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.about__body { font-size: 1.0625rem; color: var(--sumi-muted); }
.about__body strong { color: var(--sumi); font-weight: 600; }

.people {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(.9rem, 2vw, 1.5rem);
}
@media (max-width: 620px) { .people { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } }

.person {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--washi-3);
  aspect-ratio: 1 / 1.12;
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease-out-soft), box-shadow .45s var(--ease-out-soft);
}
.person:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.person img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease-out-soft);
}
.person:hover img { transform: scale(1.04); }
.person::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 55%;
  background: linear-gradient(to top, rgba(23,20,15,.62), rgba(23,20,15,0));
  pointer-events: none;
}
.person__tag {
  position: absolute;
  left: .7rem; right: .7rem; bottom: .7rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .4rem .85rem .4rem .4rem;
  background: rgba(23,20,15,.88);
  backdrop-filter: blur(8px);
  color: #fff;
  border-radius: var(--r-pill);
  font-size: .8125rem;
  transition: background .25s var(--ease);
}
.person__tag:hover { background: #000; }
.person__tag .ico {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--vermillion);
  display: grid; place-items: center; flex: none;
}
.person__tag .ico svg { width: 13px; height: 13px; }
.person__tag .who { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.person__tag .who b { font-weight: 600; }
.person__tag .who span {
  font-size: .72rem;
  color: rgba(255,255,255,.72);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   9. Services
   -------------------------------------------------------------------------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.2vw, 1.85rem);
}
@media (max-width: 980px) { .services { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.service {
  background: var(--paper-card);
  border: 1px solid rgba(23,20,15,.07);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .45s var(--ease-out-soft), box-shadow .45s var(--ease-out-soft),
              border-color .45s var(--ease-out-soft);
}
.service:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(192,71,58,.28);
}
.service__media {
  aspect-ratio: 16 / 11;
  background: var(--washi-3);
  overflow: hidden;
}
.service__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out-soft); }
.service:hover .service__media img { transform: scale(1.05); }

.service__body { padding: clamp(1.4rem, 2.4vw, 2rem); display: flex; flex-direction: column; flex: 1; }
.service__no {
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--vermillion);
  margin-bottom: .7rem;
}
.service h3 { font-size: var(--fs-h3); margin-bottom: .7rem; }
.service p { color: var(--sumi-muted); font-size: .9375rem; }

/* --------------------------------------------------------------------------
   10. Curriculum accordion (shared with FAQ)
   -------------------------------------------------------------------------- */
.curriculum__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 900px) { .curriculum__grid { grid-template-columns: 1fr; } }

.curriculum__figure {
  position: sticky;
  top: 110px;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--washi-3);
  box-shadow: var(--shadow-md);
}
.curriculum__figure img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0;
  position: absolute; inset: 0;
  transition: opacity .6s var(--ease), transform 1.2s var(--ease-out-soft);
  transform: scale(1.04);
}
.curriculum__figure img.is-active { opacity: 1; transform: scale(1); }
@media (max-width: 900px) { .curriculum__figure { position: relative; top: 0; aspect-ratio: 16/10; } }

.acc { border-top: 1px solid rgba(23,20,15,.12); }
.acc__item { border-bottom: 1px solid rgba(23,20,15,.12); }

.acc__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.3rem 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--sumi);
  transition: color .25s var(--ease);
}
.acc__trigger:hover { color: var(--vermillion); }
.acc__trigger .num {
  font-size: .8rem;
  color: var(--vermillion);
  letter-spacing: .12em;
  margin-right: .85rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.acc__icon {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(23,20,15,.16);
  display: grid; place-items: center;
  position: relative;
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.acc__icon::before, .acc__icon::after {
  content: ""; position: absolute; background: var(--sumi);
  transition: transform .34s var(--ease), background .3s var(--ease);
}
.acc__icon::before { width: 11px; height: 1.5px; }
.acc__icon::after  { width: 1.5px; height: 11px; }
.acc__item[data-open="true"] .acc__icon {
  background: var(--vermillion);
  border-color: var(--vermillion);
  transform: rotate(90deg);
}
.acc__item[data-open="true"] .acc__icon::before,
.acc__item[data-open="true"] .acc__icon::after { background: #fff; }
.acc__item[data-open="true"] .acc__icon::after { transform: scaleY(0); }

.acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .42s var(--ease-out-soft);
}
.acc__item[data-open="true"] .acc__panel { grid-template-rows: 1fr; }
.acc__panel > div { overflow: hidden; }
.acc__panel p {
  padding-bottom: 1.35rem;
  color: var(--sumi-muted);
  max-width: 62ch;
  font-size: .9688rem;
}

/* --------------------------------------------------------------------------
   11. Why us
   -------------------------------------------------------------------------- */
.why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.2vw, 1.85rem);
}
@media (max-width: 980px) { .why { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.why__card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: clamp(320px, 42vw, 430px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  isolation: isolate;
}
.why__card img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease-out-soft);
}
.why__card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(23,20,15,.88) 4%, rgba(23,20,15,.30) 55%, rgba(23,20,15,.12));
}
.why__card:hover img { transform: scale(1.06); }
.why__card > div { padding: clamp(1.4rem, 2.5vw, 2rem); }
.why__card h3 { font-size: var(--fs-h3); margin-bottom: .55rem; }
.why__card p { font-size: .9375rem; color: rgba(255,255,255,.82); }

/* --------------------------------------------------------------------------
   12. Blog teaser
   -------------------------------------------------------------------------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.2vw, 1.85rem); }
@media (max-width: 980px) { .posts { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

.post { display: flex; flex-direction: column; }
.post__media {
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--washi-3);
  margin-bottom: 1.1rem;
}
.post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out-soft); }
.post:hover .post__media img { transform: scale(1.05); }

.tag {
  display: inline-block;
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--vermillion);
  background: rgba(192,71,58,.09);
  padding: .3rem .7rem;
  border-radius: var(--r-pill);
  margin-bottom: .75rem;
  align-self: flex-start;
}
.post h3 {
  font-size: 1.1875rem;
  line-height: 1.35;
  transition: color .25s var(--ease);
}
.post:hover h3 { color: var(--vermillion); }

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */
.faq { max-width: 860px; margin-inline: auto; }
.faq .acc__trigger { font-size: 1.0625rem; }

/* --------------------------------------------------------------------------
   14. CTA band
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta h2 { font-size: var(--fs-h2); }
.cta p { margin: 1.1rem auto 0; max-width: 52ch; color: rgba(251,248,243,.72); }
.cta .hero__actions { justify-content: center; }
.cta::before {
  content: "";
  position: absolute;
  bottom: -40%; left: 50%;
  transform: translateX(-50%);
  width: 90vw; height: 90vw;
  max-width: 1000px; max-height: 1000px;
  background: radial-gradient(circle, rgba(192,71,58,.28), rgba(192,71,58,0) 62%);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--sumi);
  color: rgba(251,248,243,.66);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: .9063rem;
}
.footer a { color: rgba(251,248,243,.66); transition: color .2s var(--ease); }
.footer a:hover { color: #fff; }

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(251,248,243,.12);
}
@media (max-width: 820px) { .footer__top { grid-template-columns: 1fr; } }

.footer .brand__name { color: var(--washi); }
.footer h4 {
  color: var(--washi);
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
  font-weight: 600;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: var(--fs-small);
  color: rgba(251,248,243,.45);
}

/* --------------------------------------------------------------------------
   16. Floating WhatsApp
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.75rem);
  bottom: clamp(1rem, 2.5vw, 1.75rem);
  z-index: 70;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: #25D366;
  display: grid; place-items: center;
  box-shadow: 0 8px 26px -8px rgba(37,211,102,.75);
  transition: transform .3s var(--ease);
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* --------------------------------------------------------------------------
   17. Scroll reveal
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease-out-soft), transform .7s var(--ease-out-soft);
}
.reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   18. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  #sakura-canvas { display: none; }
}

/* --------------------------------------------------------------------------
   19. Inner pages — page header, article body, blog index, contact
   -------------------------------------------------------------------------- */
.page-head {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem);
  overflow: hidden;
}
.page-head::after {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 55vw; height: 55vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(231,154,174,.26), rgba(231,154,174,0) 66%);
  pointer-events: none;
}
.page-head h1 { font-size: var(--fs-h2); max-width: 20ch; }
.page-head .sub { margin-top: 1rem; color: var(--sumi-muted); max-width: 52ch; }

.crumbs {
  display: flex; align-items: center; gap: .5rem;
  font-size: var(--fs-small); color: var(--sumi-faint);
  margin-bottom: 1.25rem;
}
.crumbs a { color: var(--sumi-muted); }
.crumbs a:hover { color: var(--vermillion); }

/* ---- blog index ---- */
.filters {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.filters button {
  padding: .5rem 1.1rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(23,20,15,.14);
  font-size: .875rem; font-weight: 500;
  color: var(--sumi-muted);
  transition: all .25s var(--ease);
}
.filters button:hover { border-color: var(--sumi); color: var(--sumi); }
.filters button[aria-pressed="true"] {
  background: var(--sumi); border-color: var(--sumi); color: var(--washi);
}
.posts--grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .posts--grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .posts--grid { grid-template-columns: 1fr; } }
.post[hidden] { display: none; }

/* ---- article ---- */
.article { max-width: 760px; margin-inline: auto; }
.article__hero {
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--washi-3);
  margin-bottom: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-md);
}
.article__hero img { width: 100%; height: 100%; object-fit: cover; }
.article__body { font-size: 1.0625rem; color: var(--sumi-soft); }
.article__body h2 {
  font-size: clamp(1.35rem, 2.3vw, 1.75rem);
  margin: clamp(2.2rem, 4vw, 3rem) 0 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(23,20,15,.1);
}
.article__body h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.article__body p { margin-bottom: 1.25em; }
.article__body .jp { font-family: var(--font-body); }

.takeaways {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--washi-2);
  border-radius: var(--r-lg);
  border: 1px solid rgba(23,20,15,.07);
}
.takeaways h2 { font-size: var(--fs-h3); margin-bottom: 1rem; border: 0; padding: 0; }
.takeaways ul { margin: 0; padding-left: 1.15rem; display: grid; gap: .75rem; }
.takeaways li { color: var(--sumi-muted); }
.takeaways li::marker { color: var(--vermillion); }

/* ---- contact ---- */
.contact__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .45rem; }
.field label { font-size: var(--fs-small); font-weight: 600; color: var(--sumi-soft); }
.field input, .field textarea {
  width: 100%;
  padding: .85rem 1rem;
  font: inherit;
  font-size: .9688rem;
  color: var(--sumi);
  background: var(--paper-card);
  border: 1px solid rgba(23,20,15,.15);
  border-radius: var(--r-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--vermillion);
  box-shadow: 0 0 0 3px rgba(192,71,58,.12);
}
.form__note { font-size: var(--fs-small); color: var(--sumi-faint); }

.info-card {
  background: var(--paper-card);
  border: 1px solid rgba(23,20,15,.08);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}
.info-card h3 { font-size: var(--fs-h3); margin-bottom: 1.25rem; }
.info-row { display: flex; gap: .9rem; padding-block: .9rem; border-top: 1px solid rgba(23,20,15,.08); }
.info-row:first-of-type { border-top: 0; padding-top: 0; }
.info-row .ico {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(192,71,58,.1); color: var(--vermillion);
  display: grid; place-items: center; font-size: .9rem;
}
.info-row b { display: block; font-size: var(--fs-micro); letter-spacing: .14em;
  text-transform: uppercase; color: var(--sumi-faint); font-weight: 600; margin-bottom: .2rem; }
.info-row a, .info-row span { color: var(--sumi-soft); }
.info-row a:hover { color: var(--vermillion); }